21286270300

素因数分解:

$2^2\times 5^2\times {\mathrm{1013}}^1\times {\mathrm{210131}}^1$

素因数の和:211158

約数の個数: 36

約数和(自身を含む): 46237025016

約数和(自身を除く): 24950754716

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1013, 2026, 4052, 5065, 10130, 20260, 25325, 50650, 101300, 210131, 420262, 840524, 1050655, 2101310, 4202620, 5253275, 10506550, 21013100, 212862703, 425725406, 851450812, 1064313515, 2128627030, 4257254060, 5321567575, 10643135150, 21286270300]

約数ペア:

[(1, 21286270300), (2, 10643135150), (4, 5321567575), (5, 4257254060), (10, 2128627030), (20, 1064313515), (25, 851450812), (50, 425725406), (100, 212862703), (1013, 21013100), (2026, 10506550), (4052, 5253275), (5065, 4202620), (10130, 2101310), (20260, 1050655), (25325, 840524), (50650, 420262), (101300, 210131)]