21560430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31247}}^1$

素因数の和:31280

約数の個数: 32

約数和(自身を含む): 53996544

約数和(自身を除く): 32436114

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31247, 62494, 93741, 156235, 187482, 312470, 468705, 718681, 937410, 1437362, 2156043, 3593405, 4312086, 7186810, 10780215, 21560430]

約数ペア:

[(1, 21560430), (2, 10780215), (3, 7186810), (5, 4312086), (6, 3593405), (10, 2156043), (15, 1437362), (23, 937410), (30, 718681), (46, 468705), (69, 312470), (115, 187482), (138, 156235), (230, 93741), (345, 62494), (690, 31247)]