21945950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1777}}^1$

素因数の和:1821

約数の個数: 48

約数和(自身を含む): 46299120

約数和(自身を除く): 24353170

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1777, 2470, 3554, 6175, 8885, 12350, 17770, 23101, 33763, 44425, 46202, 67526, 88850, 115505, 168815, 231010, 337630, 438919, 577525, 844075, 877838, 1155050, 1688150, 2194595, 4389190, 10972975, 21945950]

約数ペア:

[(1, 21945950), (2, 10972975), (5, 4389190), (10, 2194595), (13, 1688150), (19, 1155050), (25, 877838), (26, 844075), (38, 577525), (50, 438919), (65, 337630), (95, 231010), (130, 168815), (190, 115505), (247, 88850), (325, 67526), (475, 46202), (494, 44425), (650, 33763), (950, 23101), (1235, 17770), (1777, 12350), (2470, 8885), (3554, 6175)]