21417590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1171}}^1$

素因数の和:1268

約数の個数: 32

約数和(自身を含む): 40504320

約数和(自身を除く): 19086730

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 295, 310, 590, 1171, 1829, 2342, 3658, 5855, 9145, 11710, 18290, 36301, 69089, 72602, 138178, 181505, 345445, 363010, 690890, 2141759, 4283518, 10708795, 21417590]

約数ペア:

[(1, 21417590), (2, 10708795), (5, 4283518), (10, 2141759), (31, 690890), (59, 363010), (62, 345445), (118, 181505), (155, 138178), (295, 72602), (310, 69089), (590, 36301), (1171, 18290), (1829, 11710), (2342, 9145), (3658, 5855)]