21350190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2953}}^1$

素因数の和:3204

約数の個数: 32

約数和(自身を含む): 51470496

約数和(自身を除く): 30120306

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 241, 482, 723, 1205, 1446, 2410, 2953, 3615, 5906, 7230, 8859, 14765, 17718, 29530, 44295, 88590, 711673, 1423346, 2135019, 3558365, 4270038, 7116730, 10675095, 21350190]

約数ペア:

[(1, 21350190), (2, 10675095), (3, 7116730), (5, 4270038), (6, 3558365), (10, 2135019), (15, 1423346), (30, 711673), (241, 88590), (482, 44295), (723, 29530), (1205, 17718), (1446, 14765), (2410, 8859), (2953, 7230), (3615, 5906)]