21689430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{577}}^1$

素因数の和:773

約数の個数: 64

約数和(自身を含む): 59927040

約数和(自身を除く): 38237610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 179, 210, 358, 537, 577, 895, 1074, 1154, 1253, 1731, 1790, 2506, 2685, 2885, 3462, 3759, 4039, 5370, 5770, 6265, 7518, 8078, 8655, 12117, 12530, 17310, 18795, 20195, 24234, 37590, 40390, 60585, 103283, 121170, 206566, 309849, 516415, 619698, 722981, 1032830, 1445962, 1549245, 2168943, 3098490, 3614905, 4337886, 7229810, 10844715, 21689430]

約数ペア:

[(1, 21689430), (2, 10844715), (3, 7229810), (5, 4337886), (6, 3614905), (7, 3098490), (10, 2168943), (14, 1549245), (15, 1445962), (21, 1032830), (30, 722981), (35, 619698), (42, 516415), (70, 309849), (105, 206566), (179, 121170), (210, 103283), (358, 60585), (537, 40390), (577, 37590), (895, 24234), (1074, 20195), (1154, 18795), (1253, 17310), (1731, 12530), (1790, 12117), (2506, 8655), (2685, 8078), (2885, 7518), (3462, 6265), (3759, 5770), (4039, 5370)]