21972510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34877}}^1$

素因数の和:34897

約数の個数: 48

約数和(自身を含む): 65291616

約数和(自身を除く): 43319106

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34877, 69754, 104631, 174385, 209262, 244139, 313893, 348770, 488278, 523155, 627786, 732417, 1046310, 1220695, 1464834, 1569465, 2197251, 2441390, 3138930, 3662085, 4394502, 7324170, 10986255, 21972510]

約数ペア:

[(1, 21972510), (2, 10986255), (3, 7324170), (5, 4394502), (6, 3662085), (7, 3138930), (9, 2441390), (10, 2197251), (14, 1569465), (15, 1464834), (18, 1220695), (21, 1046310), (30, 732417), (35, 627786), (42, 523155), (45, 488278), (63, 348770), (70, 313893), (90, 244139), (105, 209262), (126, 174385), (210, 104631), (315, 69754), (630, 34877)]