21345216

素因数分解:

$2^6\times 3^1\times {\mathrm{107}}^1\times {\mathrm{1039}}^1$

素因数の和:1161

約数の個数: 56

約数和(自身を含む): 57058560

約数和(自身を除く): 35713344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 192, 214, 321, 428, 642, 856, 1039, 1284, 1712, 2078, 2568, 3117, 3424, 4156, 5136, 6234, 6848, 8312, 10272, 12468, 16624, 20544, 24936, 33248, 49872, 66496, 99744, 111173, 199488, 222346, 333519, 444692, 667038, 889384, 1334076, 1778768, 2668152, 3557536, 5336304, 7115072, 10672608, 21345216]

約数ペア:

[(1, 21345216), (2, 10672608), (3, 7115072), (4, 5336304), (6, 3557536), (8, 2668152), (12, 1778768), (16, 1334076), (24, 889384), (32, 667038), (48, 444692), (64, 333519), (96, 222346), (107, 199488), (192, 111173), (214, 99744), (321, 66496), (428, 49872), (642, 33248), (856, 24936), (1039, 20544), (1284, 16624), (1712, 12468), (2078, 10272), (2568, 8312), (3117, 6848), (3424, 6234), (4156, 5136)]