42213820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10099}}^1$

素因数の和:10138

約数の個数: 48

約数和(自身を含む): 101808000

約数和(自身を除く): 59594180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 10099, 20198, 40396, 50495, 100990, 111089, 191881, 201980, 222178, 383762, 444356, 555445, 767524, 959405, 1110890, 1918810, 2110691, 2221780, 3837620, 4221382, 8442764, 10553455, 21106910, 42213820]

約数ペア:

[(1, 42213820), (2, 21106910), (4, 10553455), (5, 8442764), (10, 4221382), (11, 3837620), (19, 2221780), (20, 2110691), (22, 1918810), (38, 1110890), (44, 959405), (55, 767524), (76, 555445), (95, 444356), (110, 383762), (190, 222178), (209, 201980), (220, 191881), (380, 111089), (418, 100990), (836, 50495), (1045, 40396), (2090, 20198), (4180, 10099)]