21268604

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 23244676

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 107, 124, 214, 217, 229, 428, 434, 458, 749, 868, 916, 1498, 1603, 2996, 3206, 3317, 6412, 6634, 7099, 13268, 14198, 23219, 24503, 28396, 46438, 49006, 49693, 92876, 98012, 99386, 171521, 198772, 343042, 686084, 759593, 1519186, 3038372, 5317151, 10634302, 21268604]

約数ペア:

[(1, 21268604), (2, 10634302), (4, 5317151), (7, 3038372), (14, 1519186), (28, 759593), (31, 686084), (62, 343042), (107, 198772), (124, 171521), (214, 99386), (217, 98012), (229, 92876), (428, 49693), (434, 49006), (458, 46438), (749, 28396), (868, 24503), (916, 23219), (1498, 14198), (1603, 13268), (2996, 7099), (3206, 6634), (3317, 6412)]