21854220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1907}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 61544448

約数和(自身を除く): 39690228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1907, 1910, 2292, 2865, 3814, 3820, 5721, 5730, 7628, 9535, 11442, 11460, 19070, 22884, 28605, 38140, 57210, 114420, 364237, 728474, 1092711, 1456948, 1821185, 2185422, 3642370, 4370844, 5463555, 7284740, 10927110, 21854220]

約数ペア:

[(1, 21854220), (2, 10927110), (3, 7284740), (4, 5463555), (5, 4370844), (6, 3642370), (10, 2185422), (12, 1821185), (15, 1456948), (20, 1092711), (30, 728474), (60, 364237), (191, 114420), (382, 57210), (573, 38140), (764, 28605), (955, 22884), (1146, 19070), (1907, 11460), (1910, 11442), (2292, 9535), (2865, 7628), (3814, 5730), (3820, 5721)]