21875230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{881}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 20799458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 191, 382, 881, 955, 1762, 1910, 2483, 4405, 4966, 8810, 11453, 12415, 22906, 24830, 57265, 114530, 168271, 336542, 841355, 1682710, 2187523, 4375046, 10937615, 21875230]

約数ペア:

[(1, 21875230), (2, 10937615), (5, 4375046), (10, 2187523), (13, 1682710), (26, 841355), (65, 336542), (130, 168271), (191, 114530), (382, 57265), (881, 24830), (955, 22906), (1762, 12415), (1910, 11453), (2483, 8810), (4405, 4966)]