21317752

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 40945680

約数和(自身を除く): 19627928

約数列:

[1, 2, 4, 8, 73, 146, 173, 211, 292, 346, 422, 584, 692, 844, 1384, 1688, 12629, 15403, 25258, 30806, 36503, 50516, 61612, 73006, 101032, 123224, 146012, 292024, 2664719, 5329438, 10658876, 21317752]

約数ペア:

[(1, 21317752), (2, 10658876), (4, 5329438), (8, 2664719), (73, 292024), (146, 146012), (173, 123224), (211, 101032), (292, 73006), (346, 61612), (422, 50516), (584, 36503), (692, 30806), (844, 25258), (1384, 15403), (1688, 12629)]