21029036

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3461}}^1$

素因数の和:3510

約数の個数: 36

約数和(自身を含む): 44202816

約数和(自身を除く): 23173780

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3461, 6076, 6922, 13844, 24227, 48454, 96908, 107291, 169589, 214582, 339178, 429164, 678356, 751037, 1502074, 3004148, 5257259, 10514518, 21029036]

約数ペア:

[(1, 21029036), (2, 10514518), (4, 5257259), (7, 3004148), (14, 1502074), (28, 751037), (31, 678356), (49, 429164), (62, 339178), (98, 214582), (124, 169589), (196, 107291), (217, 96908), (434, 48454), (868, 24227), (1519, 13844), (3038, 6922), (3461, 6076)]