21068220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 62447616

約数和(自身を除く): 41379396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 47, 60, 62, 93, 94, 124, 141, 155, 186, 188, 235, 241, 282, 310, 372, 465, 470, 482, 564, 620, 705, 723, 930, 940, 964, 1205, 1410, 1446, 1457, 1860, 2410, 2820, 2892, 2914, 3615, 4371, 4820, 5828, 7230, 7285, 7471, 8742, 11327, 14460, 14570, 14942, 17484, 21855, 22413, 22654, 29140, 29884, 33981, 37355, 43710, 44826, 45308, 56635, 67962, 74710, 87420, 89652, 112065, 113270, 135924, 149420, 169905, 224130, 226540, 339810, 351137, 448260, 679620, 702274, 1053411, 1404548, 1755685, 2106822, 3511370, 4213644, 5267055, 7022740, 10534110, 21068220]

約数ペア:

[(1, 21068220), (2, 10534110), (3, 7022740), (4, 5267055), (5, 4213644), (6, 3511370), (10, 2106822), (12, 1755685), (15, 1404548), (20, 1053411), (30, 702274), (31, 679620), (47, 448260), (60, 351137), (62, 339810), (93, 226540), (94, 224130), (124, 169905), (141, 149420), (155, 135924), (186, 113270), (188, 112065), (235, 89652), (241, 87420), (282, 74710), (310, 67962), (372, 56635), (465, 45308), (470, 44826), (482, 43710), (564, 37355), (620, 33981), (705, 29884), (723, 29140), (930, 22654), (940, 22413), (964, 21855), (1205, 17484), (1410, 14942), (1446, 14570), (1457, 14460), (1860, 11327), (2410, 8742), (2820, 7471), (2892, 7285), (2914, 7230), (3615, 5828), (4371, 4820)]