21170370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2857}}^1$

素因数の和:2899

約数の個数: 64

約数和(自身を含む): 57617280

約数和(自身を除く): 36446910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2857, 3705, 5714, 7410, 8571, 14285, 17142, 28570, 37141, 42855, 54283, 74282, 85710, 108566, 111423, 162849, 185705, 222846, 271415, 325698, 371410, 542830, 557115, 705679, 814245, 1114230, 1411358, 1628490, 2117037, 3528395, 4234074, 7056790, 10585185, 21170370]

約数ペア:

[(1, 21170370), (2, 10585185), (3, 7056790), (5, 4234074), (6, 3528395), (10, 2117037), (13, 1628490), (15, 1411358), (19, 1114230), (26, 814245), (30, 705679), (38, 557115), (39, 542830), (57, 371410), (65, 325698), (78, 271415), (95, 222846), (114, 185705), (130, 162849), (190, 111423), (195, 108566), (247, 85710), (285, 74282), (390, 54283), (494, 42855), (570, 37141), (741, 28570), (1235, 17142), (1482, 14285), (2470, 8571), (2857, 7410), (3705, 5714)]