21409962

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72823}}^1$

素因数の和:72842

約数の個数: 24

約数和(自身を含む): 49811616

約数和(自身を除く): 28401654

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72823, 145646, 218469, 436938, 509761, 1019522, 1529283, 3058566, 3568327, 7136654, 10704981, 21409962]

約数ペア:

[(1, 21409962), (2, 10704981), (3, 7136654), (6, 3568327), (7, 3058566), (14, 1529283), (21, 1019522), (42, 509761), (49, 436938), (98, 218469), (147, 145646), (294, 72823)]