21145399600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{7687}}^1$

素因数の和:7764

約数の個数: 180

約数和(自身を含む): 57199196656

約数和(自身を除く): 36053797056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 130, 184, 200, 208, 230, 260, 299, 325, 368, 400, 460, 520, 529, 575, 598, 650, 920, 1040, 1058, 1150, 1196, 1300, 1495, 1840, 2116, 2300, 2392, 2600, 2645, 2990, 4232, 4600, 4784, 5200, 5290, 5980, 6877, 7475, 7687, 8464, 9200, 10580, 11960, 13225, 13754, 14950, 15374, 21160, 23920, 26450, 27508, 29900, 30748, 34385, 38435, 42320, 52900, 55016, 59800, 61496, 68770, 76870, 99931, 105800, 110032, 119600, 122992, 137540, 153740, 171925, 176801, 192175, 199862, 211600, 275080, 307480, 343850, 353602, 384350, 399724, 499655, 550160, 614960, 687700, 707204, 768700, 799448, 884005, 999310, 1375400, 1414408, 1537400, 1598896, 1768010, 1998620, 2298413, 2498275, 2750800, 2828816, 3074800, 3536020, 3997240, 4066423, 4420025, 4596826, 4996550, 7072040, 7994480, 8132846, 8840050, 9193652, 9993100, 11492065, 14144080, 16265692, 17680100, 18387304, 19986200, 20332115, 22984130, 32531384, 35360200, 36774608, 39972400, 40664230, 45968260, 52863499, 57460325, 65062768, 70720400, 81328460, 91936520, 101660575, 105726998, 114920650, 162656920, 183873040, 203321150, 211453996, 229841300, 264317495, 325313840, 406642300, 422907992, 459682600, 528634990, 813284600, 845815984, 919365200, 1057269980, 1321587475, 1626569200, 2114539960, 2643174950, 4229079920, 5286349900, 10572699800, 21145399600]

約数ペア:

[(1, 21145399600), (2, 10572699800), (4, 5286349900), (5, 4229079920), (8, 2643174950), (10, 2114539960), (13, 1626569200), (16, 1321587475), (20, 1057269980), (23, 919365200), (25, 845815984), (26, 813284600), (40, 528634990), (46, 459682600), (50, 422907992), (52, 406642300), (65, 325313840), (80, 264317495), (92, 229841300), (100, 211453996), (104, 203321150), (115, 183873040), (130, 162656920), (184, 114920650), (200, 105726998), (208, 101660575), (230, 91936520), (260, 81328460), (299, 70720400), (325, 65062768), (368, 57460325), (400, 52863499), (460, 45968260), (520, 40664230), (529, 39972400), (575, 36774608), (598, 35360200), (650, 32531384), (920, 22984130), (1040, 20332115), (1058, 19986200), (1150, 18387304), (1196, 17680100), (1300, 16265692), (1495, 14144080), (1840, 11492065), (2116, 9993100), (2300, 9193652), (2392, 8840050), (2600, 8132846), (2645, 7994480), (2990, 7072040), (4232, 4996550), (4600, 4596826), (4784, 4420025), (5200, 4066423), (5290, 3997240), (5980, 3536020), (6877, 3074800), (7475, 2828816), (7687, 2750800), (8464, 2498275), (9200, 2298413), (10580, 1998620), (11960, 1768010), (13225, 1598896), (13754, 1537400), (14950, 1414408), (15374, 1375400), (21160, 999310), (23920, 884005), (26450, 799448), (27508, 768700), (29900, 707204), (30748, 687700), (34385, 614960), (38435, 550160), (42320, 499655), (52900, 399724), (55016, 384350), (59800, 353602), (61496, 343850), (68770, 307480), (76870, 275080), (99931, 211600), (105800, 199862), (110032, 192175), (119600, 176801), (122992, 171925), (137540, 153740)]