21511962

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 48379968

約数和(自身を除く): 26868006

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 103, 123, 206, 246, 283, 309, 369, 566, 618, 738, 849, 927, 1698, 1854, 2547, 4223, 5094, 8446, 11603, 12669, 23206, 25338, 29149, 34809, 38007, 58298, 69618, 76014, 87447, 104427, 174894, 208854, 262341, 524682, 1195109, 2390218, 3585327, 7170654, 10755981, 21511962]

約数ペア:

[(1, 21511962), (2, 10755981), (3, 7170654), (6, 3585327), (9, 2390218), (18, 1195109), (41, 524682), (82, 262341), (103, 208854), (123, 174894), (206, 104427), (246, 87447), (283, 76014), (309, 69618), (369, 58298), (566, 38007), (618, 34809), (738, 29149), (849, 25338), (927, 23206), (1698, 12669), (1854, 11603), (2547, 8446), (4223, 5094)]