21566762

素因数分解:

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

素因数の和:307

約数の個数: 36

約数和(自身を含む): 39054690

約数和(自身を除く): 17487928

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 229, 434, 458, 961, 1519, 1603, 1922, 3038, 3206, 6727, 7099, 11221, 13454, 14198, 22442, 47089, 49693, 94178, 99386, 220069, 347851, 440138, 695702, 1540483, 3080966, 10783381, 21566762]

約数ペア:

[(1, 21566762), (2, 10783381), (7, 3080966), (14, 1540483), (31, 695702), (49, 440138), (62, 347851), (98, 220069), (217, 99386), (229, 94178), (434, 49693), (458, 47089), (961, 22442), (1519, 14198), (1603, 13454), (1922, 11221), (3038, 7099), (3206, 6727)]