21038024

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1907}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 45334080

約数和(自身を除く): 24296056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 1907, 2758, 3814, 5516, 7628, 11032, 13349, 15256, 26698, 53396, 106792, 375679, 751358, 1502716, 2629753, 3005432, 5259506, 10519012, 21038024]

約数ペア:

[(1, 21038024), (2, 10519012), (4, 5259506), (7, 3005432), (8, 2629753), (14, 1502716), (28, 751358), (56, 375679), (197, 106792), (394, 53396), (788, 26698), (1379, 15256), (1576, 13349), (1907, 11032), (2758, 7628), (3814, 5516)]