21179370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 53053056

約数和(自身を除く): 31873686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 67, 82, 123, 134, 201, 205, 246, 257, 335, 402, 410, 514, 615, 670, 771, 1005, 1230, 1285, 1542, 2010, 2570, 2747, 3855, 5494, 7710, 8241, 10537, 13735, 16482, 17219, 21074, 27470, 31611, 34438, 41205, 51657, 52685, 63222, 82410, 86095, 103314, 105370, 158055, 172190, 258285, 316110, 516570, 705979, 1411958, 2117937, 3529895, 4235874, 7059790, 10589685, 21179370]

約数ペア:

[(1, 21179370), (2, 10589685), (3, 7059790), (5, 4235874), (6, 3529895), (10, 2117937), (15, 1411958), (30, 705979), (41, 516570), (67, 316110), (82, 258285), (123, 172190), (134, 158055), (201, 105370), (205, 103314), (246, 86095), (257, 82410), (335, 63222), (402, 52685), (410, 51657), (514, 41205), (615, 34438), (670, 31611), (771, 27470), (1005, 21074), (1230, 17219), (1285, 16482), (1542, 13735), (2010, 10537), (2570, 8241), (2747, 7710), (3855, 5494)]