21314710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1097}}^1$

素因数の和:1200

約数の個数: 32

約数和(自身を含む): 40318560

約数和(自身を除く): 19003850

約数列:

[1, 2, 5, 10, 29, 58, 67, 134, 145, 290, 335, 670, 1097, 1943, 2194, 3886, 5485, 9715, 10970, 19430, 31813, 63626, 73499, 146998, 159065, 318130, 367495, 734990, 2131471, 4262942, 10657355, 21314710]

約数ペア:

[(1, 21314710), (2, 10657355), (5, 4262942), (10, 2131471), (29, 734990), (58, 367495), (67, 318130), (134, 159065), (145, 146998), (290, 73499), (335, 63626), (670, 31813), (1097, 19430), (1943, 10970), (2194, 9715), (3886, 5485)]