21032004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1103}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 56383488

約数和(自身を除く): 35351484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 227, 454, 681, 908, 1103, 1362, 1589, 2206, 2724, 3178, 3309, 4412, 4767, 6356, 6618, 7721, 9534, 13236, 15442, 19068, 23163, 30884, 46326, 92652, 250381, 500762, 751143, 1001524, 1502286, 1752667, 3004572, 3505334, 5258001, 7010668, 10516002, 21032004]

約数ペア:

[(1, 21032004), (2, 10516002), (3, 7010668), (4, 5258001), (6, 3505334), (7, 3004572), (12, 1752667), (14, 1502286), (21, 1001524), (28, 751143), (42, 500762), (84, 250381), (227, 92652), (454, 46326), (681, 30884), (908, 23163), (1103, 19068), (1362, 15442), (1589, 13236), (2206, 9534), (2724, 7721), (3178, 6618), (3309, 6356), (4412, 4767)]