21169254

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{571}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 43819776

約数和(自身を除く): 22650522

約数列:

[1, 2, 3, 6, 37, 74, 111, 167, 222, 334, 501, 571, 1002, 1142, 1713, 3426, 6179, 12358, 18537, 21127, 37074, 42254, 63381, 95357, 126762, 190714, 286071, 572142, 3528209, 7056418, 10584627, 21169254]

約数ペア:

[(1, 21169254), (2, 10584627), (3, 7056418), (6, 3528209), (37, 572142), (74, 286071), (111, 190714), (167, 126762), (222, 95357), (334, 63381), (501, 42254), (571, 37074), (1002, 21127), (1142, 18537), (1713, 12358), (3426, 6179)]