21128471710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{11329}}^1$

素因数の和:11533

約数の個数: 64

約数和(自身を含む): 40380120000

約数和(自身を除く): 19251648290

約数列:

[1, 2, 5, 10, 29, 58, 59, 109, 118, 145, 218, 290, 295, 545, 590, 1090, 1711, 3161, 3422, 6322, 6431, 8555, 11329, 12862, 15805, 17110, 22658, 31610, 32155, 56645, 64310, 113290, 186499, 328541, 372998, 657082, 668411, 932495, 1234861, 1336822, 1642705, 1864990, 2469722, 3285410, 3342055, 6174305, 6684110, 12348610, 19383919, 35810969, 38767838, 71621938, 72856799, 96919595, 145713598, 179054845, 193839190, 358109690, 364283995, 728567990, 2112847171, 4225694342, 10564235855, 21128471710]

約数ペア:

[(1, 21128471710), (2, 10564235855), (5, 4225694342), (10, 2112847171), (29, 728567990), (58, 364283995), (59, 358109690), (109, 193839190), (118, 179054845), (145, 145713598), (218, 96919595), (290, 72856799), (295, 71621938), (545, 38767838), (590, 35810969), (1090, 19383919), (1711, 12348610), (3161, 6684110), (3422, 6174305), (6322, 3342055), (6431, 3285410), (8555, 2469722), (11329, 1864990), (12862, 1642705), (15805, 1336822), (17110, 1234861), (22658, 932495), (31610, 668411), (32155, 657082), (56645, 372998), (64310, 328541), (113290, 186499)]