21292466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15721294

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 221, 442, 719, 871, 1139, 1438, 1742, 2278, 9347, 12223, 14807, 18694, 24446, 29614, 48173, 96346, 158899, 317798, 626249, 818941, 1252498, 1637882, 10646233, 21292466]

約数ペア:

[(1, 21292466), (2, 10646233), (13, 1637882), (17, 1252498), (26, 818941), (34, 626249), (67, 317798), (134, 158899), (221, 96346), (442, 48173), (719, 29614), (871, 24446), (1139, 18694), (1438, 14807), (1742, 12223), (2278, 9347)]