21330168

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 55792800

約数和(自身を除く): 34462632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 328, 409, 424, 492, 636, 818, 984, 1227, 1272, 1636, 2173, 2454, 3272, 4346, 4908, 6519, 8692, 9816, 13038, 16769, 17384, 21677, 26076, 33538, 43354, 50307, 52152, 65031, 67076, 86708, 100614, 130062, 134152, 173416, 201228, 260124, 402456, 520248, 888757, 1777514, 2666271, 3555028, 5332542, 7110056, 10665084, 21330168]

約数ペア:

[(1, 21330168), (2, 10665084), (3, 7110056), (4, 5332542), (6, 3555028), (8, 2666271), (12, 1777514), (24, 888757), (41, 520248), (53, 402456), (82, 260124), (106, 201228), (123, 173416), (159, 134152), (164, 130062), (212, 100614), (246, 86708), (318, 67076), (328, 65031), (409, 52152), (424, 50307), (492, 43354), (636, 33538), (818, 26076), (984, 21677), (1227, 17384), (1272, 16769), (1636, 13038), (2173, 9816), (2454, 8692), (3272, 6519), (4346, 4908)]