21231706910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1\times {\mathrm{73039}}^1$

素因数の和:73796

約数の個数: 32

約数和(自身を含む): 39204950400

約数和(自身を除く): 17973243490

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 709, 1418, 3545, 7090, 29069, 58138, 73039, 145345, 146078, 290690, 365195, 730390, 2994599, 5989198, 14972995, 29945990, 51784651, 103569302, 258923255, 517846510, 2123170691, 4246341382, 10615853455, 21231706910]

約数ペア:

[(1, 21231706910), (2, 10615853455), (5, 4246341382), (10, 2123170691), (41, 517846510), (82, 258923255), (205, 103569302), (410, 51784651), (709, 29945990), (1418, 14972995), (3545, 5989198), (7090, 2994599), (29069, 730390), (58138, 365195), (73039, 290690), (145345, 146078)]