21681362040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{36671}}^1$

素因数の和:37077

約数の個数: 128

約数和(自身を含む): 70234214400

約数和(自身を除く): 48552852360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 379, 390, 520, 758, 780, 1137, 1516, 1560, 1895, 2274, 3032, 3790, 4548, 4927, 5685, 7580, 9096, 9854, 11370, 14781, 15160, 19708, 22740, 24635, 29562, 36671, 39416, 45480, 49270, 59124, 73342, 73905, 98540, 110013, 118248, 146684, 147810, 183355, 197080, 220026, 293368, 295620, 366710, 440052, 476723, 550065, 591240, 733420, 880104, 953446, 1100130, 1430169, 1466840, 1906892, 2200260, 2383615, 2860338, 3813784, 4400520, 4767230, 5720676, 7150845, 9534460, 11441352, 13898309, 14301690, 19068920, 27796618, 28603380, 41694927, 55593236, 57206760, 69491545, 83389854, 111186472, 138983090, 166779708, 180678017, 208474635, 277966180, 333559416, 361356034, 416949270, 542034051, 555932360, 722712068, 833898540, 903390085, 1084068102, 1445424136, 1667797080, 1806780170, 2168136204, 2710170255, 3613560340, 4336272408, 5420340510, 7227120680, 10840681020, 21681362040]

約数ペア:

[(1, 21681362040), (2, 10840681020), (3, 7227120680), (4, 5420340510), (5, 4336272408), (6, 3613560340), (8, 2710170255), (10, 2168136204), (12, 1806780170), (13, 1667797080), (15, 1445424136), (20, 1084068102), (24, 903390085), (26, 833898540), (30, 722712068), (39, 555932360), (40, 542034051), (52, 416949270), (60, 361356034), (65, 333559416), (78, 277966180), (104, 208474635), (120, 180678017), (130, 166779708), (156, 138983090), (195, 111186472), (260, 83389854), (312, 69491545), (379, 57206760), (390, 55593236), (520, 41694927), (758, 28603380), (780, 27796618), (1137, 19068920), (1516, 14301690), (1560, 13898309), (1895, 11441352), (2274, 9534460), (3032, 7150845), (3790, 5720676), (4548, 4767230), (4927, 4400520), (5685, 3813784), (7580, 2860338), (9096, 2383615), (9854, 2200260), (11370, 1906892), (14781, 1466840), (15160, 1430169), (19708, 1100130), (22740, 953446), (24635, 880104), (29562, 733420), (36671, 591240), (39416, 550065), (45480, 476723), (49270, 440052), (59124, 366710), (73342, 295620), (73905, 293368), (98540, 220026), (110013, 197080), (118248, 183355), (146684, 147810)]