21086954

素因数分解:

$2^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 37584000

約数和(自身を除く): 16497046

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 343, 413, 521, 686, 826, 1042, 2891, 3647, 5782, 7294, 20237, 25529, 30739, 40474, 51058, 61478, 178703, 215173, 357406, 430346, 1506211, 3012422, 10543477, 21086954]

約数ペア:

[(1, 21086954), (2, 10543477), (7, 3012422), (14, 1506211), (49, 430346), (59, 357406), (98, 215173), (118, 178703), (343, 61478), (413, 51058), (521, 40474), (686, 30739), (826, 25529), (1042, 20237), (2891, 7294), (3647, 5782)]