21594976

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 49871808

約数和(自身を除く): 28276832

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 37, 46, 52, 61, 74, 92, 104, 122, 148, 184, 208, 244, 296, 299, 368, 416, 481, 488, 592, 598, 736, 793, 851, 962, 976, 1184, 1196, 1403, 1586, 1702, 1924, 1952, 2257, 2392, 2806, 3172, 3404, 3848, 4514, 4784, 5612, 6344, 6808, 7696, 9028, 9568, 11063, 11224, 12688, 13616, 15392, 18056, 18239, 22126, 22448, 25376, 27232, 29341, 36112, 36478, 44252, 44896, 51911, 58682, 72224, 72956, 88504, 103822, 117364, 145912, 177008, 207644, 234728, 291824, 354016, 415288, 469456, 583648, 674843, 830576, 938912, 1349686, 1661152, 2699372, 5398744, 10797488, 21594976]

約数ペア:

[(1, 21594976), (2, 10797488), (4, 5398744), (8, 2699372), (13, 1661152), (16, 1349686), (23, 938912), (26, 830576), (32, 674843), (37, 583648), (46, 469456), (52, 415288), (61, 354016), (74, 291824), (92, 234728), (104, 207644), (122, 177008), (148, 145912), (184, 117364), (208, 103822), (244, 88504), (296, 72956), (299, 72224), (368, 58682), (416, 51911), (481, 44896), (488, 44252), (592, 36478), (598, 36112), (736, 29341), (793, 27232), (851, 25376), (962, 22448), (976, 22126), (1184, 18239), (1196, 18056), (1403, 15392), (1586, 13616), (1702, 12688), (1924, 11224), (1952, 11063), (2257, 9568), (2392, 9028), (2806, 7696), (3172, 6808), (3404, 6344), (3848, 5612), (4514, 4784)]