21673712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1257

約数の個数: 40

約数和(自身を含む): 44556672

約数和(自身を除く): 22882960

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1147, 1181, 2294, 2362, 4588, 4724, 9176, 9448, 18352, 18896, 36611, 43697, 73222, 87394, 146444, 174788, 292888, 349576, 585776, 699152, 1354607, 2709214, 5418428, 10836856, 21673712]

約数ペア:

[(1, 21673712), (2, 10836856), (4, 5418428), (8, 2709214), (16, 1354607), (31, 699152), (37, 585776), (62, 349576), (74, 292888), (124, 174788), (148, 146444), (248, 87394), (296, 73222), (496, 43697), (592, 36611), (1147, 18896), (1181, 18352), (2294, 9448), (2362, 9176), (4588, 4724)]