21593120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7103}}^1$

素因数の和:7137

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 32113120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 7103, 14206, 28412, 35515, 56824, 71030, 113648, 134957, 142060, 227296, 269914, 284120, 539828, 568240, 674785, 1079656, 1136480, 1349570, 2159312, 2699140, 4318624, 5398280, 10796560, 21593120]

約数ペア:

[(1, 21593120), (2, 10796560), (4, 5398280), (5, 4318624), (8, 2699140), (10, 2159312), (16, 1349570), (19, 1136480), (20, 1079656), (32, 674785), (38, 568240), (40, 539828), (76, 284120), (80, 269914), (95, 227296), (152, 142060), (160, 134957), (190, 113648), (304, 71030), (380, 56824), (608, 35515), (760, 28412), (1520, 14206), (3040, 7103)]