21720602460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{684329}}^1$

素因数の和:684387

約数の個数: 72

約数和(自身を含む): 63576994320

約数和(自身を除く): 41856391860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 1058, 1380, 1587, 2116, 2645, 3174, 5290, 6348, 7935, 10580, 15870, 31740, 684329, 1368658, 2052987, 2737316, 3421645, 4105974, 6843290, 8211948, 10264935, 13686580, 15739567, 20529870, 31479134, 41059740, 47218701, 62958268, 78697835, 94437402, 157395670, 188874804, 236093505, 314791340, 362010041, 472187010, 724020082, 944374020, 1086030123, 1448040164, 1810050205, 2172060246, 3620100410, 4344120492, 5430150615, 7240200820, 10860301230, 21720602460]

約数ペア:

[(1, 21720602460), (2, 10860301230), (3, 7240200820), (4, 5430150615), (5, 4344120492), (6, 3620100410), (10, 2172060246), (12, 1810050205), (15, 1448040164), (20, 1086030123), (23, 944374020), (30, 724020082), (46, 472187010), (60, 362010041), (69, 314791340), (92, 236093505), (115, 188874804), (138, 157395670), (230, 94437402), (276, 78697835), (345, 62958268), (460, 47218701), (529, 41059740), (690, 31479134), (1058, 20529870), (1380, 15739567), (1587, 13686580), (2116, 10264935), (2645, 8211948), (3174, 6843290), (5290, 4105974), (6348, 3421645), (7935, 2737316), (10580, 2052987), (15870, 1368658), (31740, 684329)]