21571660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3163}}^1$

素因数の和:3214

約数の個数: 48

約数和(自身を含む): 51028992

約数和(自身を除く): 29457332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3163, 3410, 6326, 6820, 12652, 15815, 31630, 34793, 63260, 69586, 98053, 139172, 173965, 196106, 347930, 392212, 490265, 695860, 980530, 1078583, 1961060, 2157166, 4314332, 5392915, 10785830, 21571660]

約数ペア:

[(1, 21571660), (2, 10785830), (4, 5392915), (5, 4314332), (10, 2157166), (11, 1961060), (20, 1078583), (22, 980530), (31, 695860), (44, 490265), (55, 392212), (62, 347930), (110, 196106), (124, 173965), (155, 139172), (220, 98053), (310, 69586), (341, 63260), (620, 34793), (682, 31630), (1364, 15815), (1705, 12652), (3163, 6820), (3410, 6326)]