21965852040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{210643}}^1$

素因数の和:210747

約数の個数: 128

約数和(自身を含む): 72798566400

約数和(自身を除く): 50832714360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 220, 237, 264, 316, 330, 395, 440, 474, 632, 660, 790, 869, 948, 1185, 1320, 1580, 1738, 1896, 2370, 2607, 3160, 3476, 4345, 4740, 5214, 6952, 8690, 9480, 10428, 13035, 17380, 20856, 26070, 34760, 52140, 104280, 210643, 421286, 631929, 842572, 1053215, 1263858, 1685144, 2106430, 2317073, 2527716, 3159645, 4212860, 4634146, 5055432, 6319290, 6951219, 8425720, 9268292, 11585365, 12638580, 13902438, 16640797, 18536584, 23170730, 25277160, 27804876, 33281594, 34756095, 46341460, 49922391, 55609752, 66563188, 69512190, 83203985, 92682920, 99844782, 133126376, 139024380, 166407970, 183048767, 199689564, 249611955, 278048760, 332815940, 366097534, 399379128, 499223910, 549146301, 665631880, 732195068, 915243835, 998447820, 1098292602, 1464390136, 1830487670, 1996895640, 2196585204, 2745731505, 3660975340, 4393170408, 5491463010, 7321950680, 10982926020, 21965852040]

約数ペア:

[(1, 21965852040), (2, 10982926020), (3, 7321950680), (4, 5491463010), (5, 4393170408), (6, 3660975340), (8, 2745731505), (10, 2196585204), (11, 1996895640), (12, 1830487670), (15, 1464390136), (20, 1098292602), (22, 998447820), (24, 915243835), (30, 732195068), (33, 665631880), (40, 549146301), (44, 499223910), (55, 399379128), (60, 366097534), (66, 332815940), (79, 278048760), (88, 249611955), (110, 199689564), (120, 183048767), (132, 166407970), (158, 139024380), (165, 133126376), (220, 99844782), (237, 92682920), (264, 83203985), (316, 69512190), (330, 66563188), (395, 55609752), (440, 49922391), (474, 46341460), (632, 34756095), (660, 33281594), (790, 27804876), (869, 25277160), (948, 23170730), (1185, 18536584), (1320, 16640797), (1580, 13902438), (1738, 12638580), (1896, 11585365), (2370, 9268292), (2607, 8425720), (3160, 6951219), (3476, 6319290), (4345, 5055432), (4740, 4634146), (5214, 4212860), (6952, 3159645), (8690, 2527716), (9480, 2317073), (10428, 2106430), (13035, 1685144), (17380, 1263858), (20856, 1053215), (26070, 842572), (34760, 631929), (52140, 421286), (104280, 210643)]