21000547664

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{119419}}^1$

素因数の和:119835

約数の個数: 40

約数和(自身を含む): 42203028000

約数和(自身を除く): 21202480336

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 379, 464, 758, 1516, 3032, 6064, 10991, 21982, 43964, 87928, 119419, 175856, 238838, 477676, 955352, 1910704, 3463151, 6926302, 13852604, 27705208, 45259801, 55410416, 90519602, 181039204, 362078408, 724156816, 1312534229, 2625068458, 5250136916, 10500273832, 21000547664]

約数ペア:

[(1, 21000547664), (2, 10500273832), (4, 5250136916), (8, 2625068458), (16, 1312534229), (29, 724156816), (58, 362078408), (116, 181039204), (232, 90519602), (379, 55410416), (464, 45259801), (758, 27705208), (1516, 13852604), (3032, 6926302), (6064, 3463151), (10991, 1910704), (21982, 955352), (43964, 477676), (87928, 238838), (119419, 175856)]