21188700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1844

約数の個数: 108

約数和(自身を含む): 71563128

約数和(自身を除く): 50374428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1811, 1950, 2340, 2925, 3622, 3900, 5433, 5850, 7244, 9055, 10866, 11700, 16299, 18110, 21732, 23543, 27165, 32598, 36220, 45275, 47086, 54330, 65196, 70629, 81495, 90550, 94172, 108660, 117715, 135825, 141258, 162990, 181100, 211887, 235430, 271650, 282516, 325980, 353145, 407475, 423774, 470860, 543300, 588575, 706290, 814950, 847548, 1059435, 1177150, 1412580, 1629900, 1765725, 2118870, 2354300, 3531450, 4237740, 5297175, 7062900, 10594350, 21188700]

約数ペア:

[(1, 21188700), (2, 10594350), (3, 7062900), (4, 5297175), (5, 4237740), (6, 3531450), (9, 2354300), (10, 2118870), (12, 1765725), (13, 1629900), (15, 1412580), (18, 1177150), (20, 1059435), (25, 847548), (26, 814950), (30, 706290), (36, 588575), (39, 543300), (45, 470860), (50, 423774), (52, 407475), (60, 353145), (65, 325980), (75, 282516), (78, 271650), (90, 235430), (100, 211887), (117, 181100), (130, 162990), (150, 141258), (156, 135825), (180, 117715), (195, 108660), (225, 94172), (234, 90550), (260, 81495), (300, 70629), (325, 65196), (390, 54330), (450, 47086), (468, 45275), (585, 36220), (650, 32598), (780, 27165), (900, 23543), (975, 21732), (1170, 18110), (1300, 16299), (1811, 11700), (1950, 10866), (2340, 9055), (2925, 7244), (3622, 5850), (3900, 5433)]