21831960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4231}}^1$

素因数の和:4288

約数の個数: 64

約数和(自身を含む): 67034880

約数和(自身を除く): 45202920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 4231, 5160, 8462, 12693, 16924, 21155, 25386, 33848, 42310, 50772, 63465, 84620, 101544, 126930, 169240, 181933, 253860, 363866, 507720, 545799, 727732, 909665, 1091598, 1455464, 1819330, 2183196, 2728995, 3638660, 4366392, 5457990, 7277320, 10915980, 21831960]

約数ペア:

[(1, 21831960), (2, 10915980), (3, 7277320), (4, 5457990), (5, 4366392), (6, 3638660), (8, 2728995), (10, 2183196), (12, 1819330), (15, 1455464), (20, 1091598), (24, 909665), (30, 727732), (40, 545799), (43, 507720), (60, 363866), (86, 253860), (120, 181933), (129, 169240), (172, 126930), (215, 101544), (258, 84620), (344, 63465), (430, 50772), (516, 42310), (645, 33848), (860, 25386), (1032, 21155), (1290, 16924), (1720, 12693), (2580, 8462), (4231, 5160)]