21159984

素因数分解:

$2^4\times 3^1\times {\mathrm{383}}^1\times {\mathrm{1151}}^1$

素因数の和:1545

約数の個数: 40

約数和(自身を含む): 54853632

約数和(自身を除く): 33693648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 383, 766, 1149, 1151, 1532, 2298, 2302, 3064, 3453, 4596, 4604, 6128, 6906, 9192, 9208, 13812, 18384, 18416, 27624, 55248, 440833, 881666, 1322499, 1763332, 2644998, 3526664, 5289996, 7053328, 10579992, 21159984]

約数ペア:

[(1, 21159984), (2, 10579992), (3, 7053328), (4, 5289996), (6, 3526664), (8, 2644998), (12, 1763332), (16, 1322499), (24, 881666), (48, 440833), (383, 55248), (766, 27624), (1149, 18416), (1151, 18384), (1532, 13812), (2298, 9208), (2302, 9192), (3064, 6906), (3453, 6128), (4596, 4604)]