21840430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1499}}^1$

素因数の和:1584

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 19631570

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 155, 235, 310, 470, 1457, 1499, 2914, 2998, 7285, 7495, 14570, 14990, 46469, 70453, 92938, 140906, 232345, 352265, 464690, 704530, 2184043, 4368086, 10920215, 21840430]

約数ペア:

[(1, 21840430), (2, 10920215), (5, 4368086), (10, 2184043), (31, 704530), (47, 464690), (62, 352265), (94, 232345), (155, 140906), (235, 92938), (310, 70453), (470, 46469), (1457, 14990), (1499, 14570), (2914, 7495), (2998, 7285)]