21315630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101503}}^1$

素因数の和:101520

約数の個数: 32

約数和(自身を含む): 58466304

約数和(自身を除く): 37150674

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 101503, 203006, 304509, 507515, 609018, 710521, 1015030, 1421042, 1522545, 2131563, 3045090, 3552605, 4263126, 7105210, 10657815, 21315630]

約数ペア:

[(1, 21315630), (2, 10657815), (3, 7105210), (5, 4263126), (6, 3552605), (7, 3045090), (10, 2131563), (14, 1522545), (15, 1421042), (21, 1015030), (30, 710521), (35, 609018), (42, 507515), (70, 304509), (105, 203006), (210, 101503)]