21936420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1$

素因数の和:1263

約数の個数: 120

約数和(自身を含む): 75132288

約数和(自身を除く): 53195868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1231, 1485, 1620, 1782, 1980, 2462, 2970, 3564, 3693, 4455, 4924, 5940, 6155, 7386, 8910, 11079, 12310, 13541, 14772, 17820, 18465, 22158, 24620, 27082, 33237, 36930, 40623, 44316, 54164, 55395, 66474, 67705, 73860, 81246, 99711, 110790, 121869, 132948, 135410, 162492, 166185, 199422, 203115, 221580, 243738, 270820, 332370, 365607, 398844, 406230, 487476, 498555, 609345, 664740, 731214, 812460, 997110, 1096821, 1218690, 1462428, 1828035, 1994220, 2193642, 2437380, 3656070, 4387284, 5484105, 7312140, 10968210, 21936420]

約数ペア:

[(1, 21936420), (2, 10968210), (3, 7312140), (4, 5484105), (5, 4387284), (6, 3656070), (9, 2437380), (10, 2193642), (11, 1994220), (12, 1828035), (15, 1462428), (18, 1218690), (20, 1096821), (22, 997110), (27, 812460), (30, 731214), (33, 664740), (36, 609345), (44, 498555), (45, 487476), (54, 406230), (55, 398844), (60, 365607), (66, 332370), (81, 270820), (90, 243738), (99, 221580), (108, 203115), (110, 199422), (132, 166185), (135, 162492), (162, 135410), (165, 132948), (180, 121869), (198, 110790), (220, 99711), (270, 81246), (297, 73860), (324, 67705), (330, 66474), (396, 55395), (405, 54164), (495, 44316), (540, 40623), (594, 36930), (660, 33237), (810, 27082), (891, 24620), (990, 22158), (1188, 18465), (1231, 17820), (1485, 14772), (1620, 13541), (1782, 12310), (1980, 11079), (2462, 8910), (2970, 7386), (3564, 6155), (3693, 5940), (4455, 4924)]