21032970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2195

約数の個数: 64

約数和(自身を含む): 58945536

約数和(自身を除く): 37912566

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2131, 3290, 4262, 4935, 6393, 9870, 10655, 12786, 14917, 21310, 29834, 31965, 44751, 63930, 74585, 89502, 100157, 149170, 200314, 223755, 300471, 447510, 500785, 600942, 701099, 1001570, 1402198, 1502355, 2103297, 3004710, 3505495, 4206594, 7010990, 10516485, 21032970]

約数ペア:

[(1, 21032970), (2, 10516485), (3, 7010990), (5, 4206594), (6, 3505495), (7, 3004710), (10, 2103297), (14, 1502355), (15, 1402198), (21, 1001570), (30, 701099), (35, 600942), (42, 500785), (47, 447510), (70, 300471), (94, 223755), (105, 200314), (141, 149170), (210, 100157), (235, 89502), (282, 74585), (329, 63930), (470, 44751), (658, 31965), (705, 29834), (987, 21310), (1410, 14917), (1645, 12786), (1974, 10655), (2131, 9870), (3290, 6393), (4262, 4935)]