21432400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4871}}^1$

素因数の和:4900

約数の個数: 60

約数和(自身を含む): 56183904

約数和(自身を除く): 34751504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4871, 9742, 19484, 24355, 38968, 48710, 53581, 77936, 97420, 107162, 121775, 194840, 214324, 243550, 267905, 389680, 428648, 487100, 535810, 857296, 974200, 1071620, 1339525, 1948400, 2143240, 2679050, 4286480, 5358100, 10716200, 21432400]

約数ペア:

[(1, 21432400), (2, 10716200), (4, 5358100), (5, 4286480), (8, 2679050), (10, 2143240), (11, 1948400), (16, 1339525), (20, 1071620), (22, 974200), (25, 857296), (40, 535810), (44, 487100), (50, 428648), (55, 389680), (80, 267905), (88, 243550), (100, 214324), (110, 194840), (176, 121775), (200, 107162), (220, 97420), (275, 77936), (400, 53581), (440, 48710), (550, 38968), (880, 24355), (1100, 19484), (2200, 9742), (4400, 4871)]