21372050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 45800640

約数和(自身を除く): 24428590

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 227, 269, 350, 454, 538, 1135, 1345, 1589, 1883, 2270, 2690, 3178, 3766, 5675, 6725, 7945, 9415, 11350, 13450, 15890, 18830, 39725, 47075, 61063, 79450, 94150, 122126, 305315, 427441, 610630, 854882, 1526575, 2137205, 3053150, 4274410, 10686025, 21372050]

約数ペア:

[(1, 21372050), (2, 10686025), (5, 4274410), (7, 3053150), (10, 2137205), (14, 1526575), (25, 854882), (35, 610630), (50, 427441), (70, 305315), (175, 122126), (227, 94150), (269, 79450), (350, 61063), (454, 47075), (538, 39725), (1135, 18830), (1345, 15890), (1589, 13450), (1883, 11350), (2270, 9415), (2690, 7945), (3178, 6725), (3766, 5675)]