21341330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 40601088

約数和(自身を除く): 19259758

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 1601, 2666, 3202, 6665, 8005, 13330, 16010, 49631, 68843, 99262, 137686, 248155, 344215, 496310, 688430, 2134133, 4268266, 10670665, 21341330]

約数ペア:

[(1, 21341330), (2, 10670665), (5, 4268266), (10, 2134133), (31, 688430), (43, 496310), (62, 344215), (86, 248155), (155, 137686), (215, 99262), (310, 68843), (430, 49631), (1333, 16010), (1601, 13330), (2666, 8005), (3202, 6665)]