21673392

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:810

約数の個数: 80

約数和(自身を含む): 61662720

約数和(自身を除く): 39989328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 47, 48, 52, 78, 94, 104, 141, 156, 188, 208, 282, 312, 376, 564, 611, 624, 739, 752, 1128, 1222, 1478, 1833, 2217, 2256, 2444, 2956, 3666, 4434, 4888, 5912, 7332, 8868, 9607, 9776, 11824, 14664, 17736, 19214, 28821, 29328, 34733, 35472, 38428, 57642, 69466, 76856, 104199, 115284, 138932, 153712, 208398, 230568, 277864, 416796, 451529, 461136, 555728, 833592, 903058, 1354587, 1667184, 1806116, 2709174, 3612232, 5418348, 7224464, 10836696, 21673392]

約数ペア:

[(1, 21673392), (2, 10836696), (3, 7224464), (4, 5418348), (6, 3612232), (8, 2709174), (12, 1806116), (13, 1667184), (16, 1354587), (24, 903058), (26, 833592), (39, 555728), (47, 461136), (48, 451529), (52, 416796), (78, 277864), (94, 230568), (104, 208398), (141, 153712), (156, 138932), (188, 115284), (208, 104199), (282, 76856), (312, 69466), (376, 57642), (564, 38428), (611, 35472), (624, 34733), (739, 29328), (752, 28821), (1128, 19214), (1222, 17736), (1478, 14664), (1833, 11824), (2217, 9776), (2256, 9607), (2444, 8868), (2956, 7332), (3666, 5912), (4434, 4888)]