21550142836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{62581}}^1$

素因数の和:62824

約数の個数: 48

約数和(自身を含む): 41634552960

約数和(自身を除く): 20084410124

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 197, 394, 437, 788, 874, 1748, 3743, 4531, 7486, 9062, 14972, 18124, 62581, 86089, 125162, 172178, 250324, 344356, 1189039, 1439363, 2378078, 2878726, 4756156, 5757452, 12328457, 24656914, 27347897, 49313828, 54695794, 109391588, 234240683, 283554511, 468481366, 567109022, 936962732, 1134218044, 5387535709, 10775071418, 21550142836]

約数ペア:

[(1, 21550142836), (2, 10775071418), (4, 5387535709), (19, 1134218044), (23, 936962732), (38, 567109022), (46, 468481366), (76, 283554511), (92, 234240683), (197, 109391588), (394, 54695794), (437, 49313828), (788, 27347897), (874, 24656914), (1748, 12328457), (3743, 5757452), (4531, 4756156), (7486, 2878726), (9062, 2378078), (14972, 1439363), (18124, 1189039), (62581, 344356), (86089, 250324), (125162, 172178)]