21886920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5527}}^1$

素因数の和:5555

約数の個数: 96

約数和(自身を含む): 77613120

約数和(自身を除く): 55726200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5527, 11054, 16581, 22108, 27635, 33162, 44216, 49743, 55270, 60797, 66324, 82905, 99486, 110540, 121594, 132648, 165810, 182391, 198972, 221080, 243188, 248715, 303985, 331620, 364782, 397944, 486376, 497430, 547173, 607970, 663240, 729564, 911955, 994860, 1094346, 1215940, 1459128, 1823910, 1989720, 2188692, 2431880, 2735865, 3647820, 4377384, 5471730, 7295640, 10943460, 21886920]

約数ペア:

[(1, 21886920), (2, 10943460), (3, 7295640), (4, 5471730), (5, 4377384), (6, 3647820), (8, 2735865), (9, 2431880), (10, 2188692), (11, 1989720), (12, 1823910), (15, 1459128), (18, 1215940), (20, 1094346), (22, 994860), (24, 911955), (30, 729564), (33, 663240), (36, 607970), (40, 547173), (44, 497430), (45, 486376), (55, 397944), (60, 364782), (66, 331620), (72, 303985), (88, 248715), (90, 243188), (99, 221080), (110, 198972), (120, 182391), (132, 165810), (165, 132648), (180, 121594), (198, 110540), (220, 99486), (264, 82905), (330, 66324), (360, 60797), (396, 55270), (440, 49743), (495, 44216), (660, 33162), (792, 27635), (990, 22108), (1320, 16581), (1980, 11054), (3960, 5527)]