21770308

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3583}}^1$

素因数の和:3632

約数の個数: 36

約数和(自身を含む): 45760512

約数和(自身を除く): 23990204

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3583, 6076, 7166, 14332, 25081, 50162, 100324, 111073, 175567, 222146, 351134, 444292, 702268, 777511, 1555022, 3110044, 5442577, 10885154, 21770308]

約数ペア:

[(1, 21770308), (2, 10885154), (4, 5442577), (7, 3110044), (14, 1555022), (28, 777511), (31, 702268), (49, 444292), (62, 351134), (98, 222146), (124, 175567), (196, 111073), (217, 100324), (434, 50162), (868, 25081), (1519, 14332), (3038, 7166), (3583, 6076)]