21500232

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 58423680

約数和(自身を除く): 36923448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 137, 156, 274, 312, 411, 503, 548, 822, 1006, 1096, 1509, 1644, 1781, 2012, 3018, 3288, 3562, 4024, 5343, 6036, 6539, 7124, 10686, 12072, 13078, 14248, 19617, 21372, 26156, 39234, 42744, 52312, 68911, 78468, 137822, 156936, 206733, 275644, 413466, 551288, 826932, 895843, 1653864, 1791686, 2687529, 3583372, 5375058, 7166744, 10750116, 21500232]

約数ペア:

[(1, 21500232), (2, 10750116), (3, 7166744), (4, 5375058), (6, 3583372), (8, 2687529), (12, 1791686), (13, 1653864), (24, 895843), (26, 826932), (39, 551288), (52, 413466), (78, 275644), (104, 206733), (137, 156936), (156, 137822), (274, 78468), (312, 68911), (411, 52312), (503, 42744), (548, 39234), (822, 26156), (1006, 21372), (1096, 19617), (1509, 14248), (1644, 13078), (1781, 12072), (2012, 10686), (3018, 7124), (3288, 6539), (3562, 6036), (4024, 5343)]