21073108

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 22795052

約数列:

[1, 2, 4, 7, 14, 28, 47, 67, 94, 134, 188, 239, 268, 329, 469, 478, 658, 938, 956, 1316, 1673, 1876, 3149, 3346, 6298, 6692, 11233, 12596, 16013, 22043, 22466, 32026, 44086, 44932, 64052, 78631, 88172, 112091, 157262, 224182, 314524, 448364, 752611, 1505222, 3010444, 5268277, 10536554, 21073108]

約数ペア:

[(1, 21073108), (2, 10536554), (4, 5268277), (7, 3010444), (14, 1505222), (28, 752611), (47, 448364), (67, 314524), (94, 224182), (134, 157262), (188, 112091), (239, 88172), (268, 78631), (329, 64052), (469, 44932), (478, 44086), (658, 32026), (938, 22466), (956, 22043), (1316, 16013), (1673, 12596), (1876, 11233), (3149, 6692), (3346, 6298)]