21822680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49597}}^1$

素因数の和:49619

約数の個数: 32

約数和(自身を含む): 53565840

約数和(自身を除く): 31743160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49597, 99194, 198388, 247985, 396776, 495970, 545567, 991940, 1091134, 1983880, 2182268, 2727835, 4364536, 5455670, 10911340, 21822680]

約数ペア:

[(1, 21822680), (2, 10911340), (4, 5455670), (5, 4364536), (8, 2727835), (10, 2182268), (11, 1983880), (20, 1091134), (22, 991940), (40, 545567), (44, 495970), (55, 396776), (88, 247985), (110, 198388), (220, 99194), (440, 49597)]