21910590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 62558496

約数和(自身を除く): 40647906

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 61, 65, 78, 90, 117, 122, 130, 183, 195, 234, 305, 307, 366, 390, 549, 585, 610, 614, 793, 915, 921, 1098, 1170, 1535, 1586, 1830, 1842, 2379, 2745, 2763, 3070, 3965, 3991, 4605, 4758, 5490, 5526, 7137, 7930, 7982, 9210, 11895, 11973, 13815, 14274, 18727, 19955, 23790, 23946, 27630, 35685, 35919, 37454, 39910, 56181, 59865, 71370, 71838, 93635, 112362, 119730, 168543, 179595, 187270, 243451, 280905, 337086, 359190, 486902, 561810, 730353, 842715, 1217255, 1460706, 1685430, 2191059, 2434510, 3651765, 4382118, 7303530, 10955295, 21910590]

約数ペア:

[(1, 21910590), (2, 10955295), (3, 7303530), (5, 4382118), (6, 3651765), (9, 2434510), (10, 2191059), (13, 1685430), (15, 1460706), (18, 1217255), (26, 842715), (30, 730353), (39, 561810), (45, 486902), (61, 359190), (65, 337086), (78, 280905), (90, 243451), (117, 187270), (122, 179595), (130, 168543), (183, 119730), (195, 112362), (234, 93635), (305, 71838), (307, 71370), (366, 59865), (390, 56181), (549, 39910), (585, 37454), (610, 35919), (614, 35685), (793, 27630), (915, 23946), (921, 23790), (1098, 19955), (1170, 18727), (1535, 14274), (1586, 13815), (1830, 11973), (1842, 11895), (2379, 9210), (2745, 7982), (2763, 7930), (3070, 7137), (3965, 5526), (3991, 5490), (4605, 4758)]