21086130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4159}}^1$

素因数の和:4195

約数の個数: 48

約数和(自身を含む): 54812160

約数和(自身を除く): 33726030

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 4159, 5070, 8318, 12477, 20795, 24954, 41590, 54067, 62385, 108134, 124770, 162201, 270335, 324402, 540670, 702871, 811005, 1405742, 1622010, 2108613, 3514355, 4217226, 7028710, 10543065, 21086130]

約数ペア:

[(1, 21086130), (2, 10543065), (3, 7028710), (5, 4217226), (6, 3514355), (10, 2108613), (13, 1622010), (15, 1405742), (26, 811005), (30, 702871), (39, 540670), (65, 324402), (78, 270335), (130, 162201), (169, 124770), (195, 108134), (338, 62385), (390, 54067), (507, 41590), (845, 24954), (1014, 20795), (1690, 12477), (2535, 8318), (4159, 5070)]