21350430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1511}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 55901664

約数和(自身を除く): 34551234

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1511, 1570, 2355, 2826, 3022, 4533, 4710, 7065, 7555, 9066, 13599, 14130, 15110, 22665, 27198, 45330, 67995, 135990, 237227, 474454, 711681, 1186135, 1423362, 2135043, 2372270, 3558405, 4270086, 7116810, 10675215, 21350430]

約数ペア:

[(1, 21350430), (2, 10675215), (3, 7116810), (5, 4270086), (6, 3558405), (9, 2372270), (10, 2135043), (15, 1423362), (18, 1186135), (30, 711681), (45, 474454), (90, 237227), (157, 135990), (314, 67995), (471, 45330), (785, 27198), (942, 22665), (1413, 15110), (1511, 14130), (1570, 13599), (2355, 9066), (2826, 7555), (3022, 7065), (4533, 4710)]