21195986

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 16405294

約数列:

[1, 2, 7, 14, 59, 67, 118, 134, 383, 413, 469, 766, 826, 938, 2681, 3953, 5362, 7906, 22597, 25661, 27671, 45194, 51322, 55342, 158179, 179627, 316358, 359254, 1513999, 3027998, 10597993, 21195986]

約数ペア:

[(1, 21195986), (2, 10597993), (7, 3027998), (14, 1513999), (59, 359254), (67, 316358), (118, 179627), (134, 158179), (383, 55342), (413, 51322), (469, 45194), (766, 27671), (826, 25661), (938, 22597), (2681, 7906), (3953, 5362)]