21283020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3583}}^1$

素因数の和:3612

約数の個数: 96

約数和(自身を含む): 72253440

約数和(自身を除く): 50970420

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, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3583, 5940, 7166, 10749, 14332, 17915, 21498, 32247, 35830, 39413, 42996, 53745, 64494, 71660, 78826, 96741, 107490, 118239, 128988, 157652, 161235, 193482, 197065, 214980, 236478, 322470, 354717, 386964, 394130, 472956, 483705, 591195, 644940, 709434, 788260, 967410, 1064151, 1182390, 1418868, 1773585, 1934820, 2128302, 2364780, 3547170, 4256604, 5320755, 7094340, 10641510, 21283020]

約数ペア:

[(1, 21283020), (2, 10641510), (3, 7094340), (4, 5320755), (5, 4256604), (6, 3547170), (9, 2364780), (10, 2128302), (11, 1934820), (12, 1773585), (15, 1418868), (18, 1182390), (20, 1064151), (22, 967410), (27, 788260), (30, 709434), (33, 644940), (36, 591195), (44, 483705), (45, 472956), (54, 394130), (55, 386964), (60, 354717), (66, 322470), (90, 236478), (99, 214980), (108, 197065), (110, 193482), (132, 161235), (135, 157652), (165, 128988), (180, 118239), (198, 107490), (220, 96741), (270, 78826), (297, 71660), (330, 64494), (396, 53745), (495, 42996), (540, 39413), (594, 35830), (660, 32247), (990, 21498), (1188, 17915), (1485, 14332), (1980, 10749), (2970, 7166), (3583, 5940)]