21419830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{773}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 41127264

約数和(自身を除く): 19707434

約数列:

[1, 2, 5, 10, 17, 34, 85, 163, 170, 326, 773, 815, 1546, 1630, 2771, 3865, 5542, 7730, 13141, 13855, 26282, 27710, 65705, 125999, 131410, 251998, 629995, 1259990, 2141983, 4283966, 10709915, 21419830]

約数ペア:

[(1, 21419830), (2, 10709915), (5, 4283966), (10, 2141983), (17, 1259990), (34, 629995), (85, 251998), (163, 131410), (170, 125999), (326, 65705), (773, 27710), (815, 26282), (1546, 13855), (1630, 13141), (2771, 7730), (3865, 5542)]