21449340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 76446720

約数和(自身を除く): 54997380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 54, 55, 60, 66, 69, 90, 92, 99, 108, 110, 115, 132, 135, 138, 157, 165, 180, 198, 207, 220, 230, 253, 270, 276, 297, 314, 330, 345, 396, 414, 460, 471, 495, 506, 540, 594, 621, 628, 660, 690, 759, 785, 828, 942, 990, 1012, 1035, 1188, 1242, 1265, 1380, 1413, 1485, 1518, 1570, 1727, 1884, 1980, 2070, 2277, 2355, 2484, 2530, 2826, 2970, 3036, 3105, 3140, 3454, 3611, 3795, 4140, 4239, 4554, 4710, 5060, 5181, 5652, 5940, 6210, 6831, 6908, 7065, 7222, 7590, 8478, 8635, 9108, 9420, 10362, 10833, 11385, 12420, 13662, 14130, 14444, 15180, 15543, 16956, 17270, 18055, 20724, 21195, 21666, 22770, 25905, 27324, 28260, 31086, 32499, 34155, 34540, 36110, 39721, 42390, 43332, 45540, 46629, 51810, 54165, 62172, 64998, 68310, 72220, 77715, 79442, 84780, 93258, 97497, 103620, 108330, 119163, 129996, 136620, 155430, 158884, 162495, 186516, 194994, 198605, 216660, 233145, 238326, 310860, 324990, 357489, 389988, 397210, 466290, 476652, 487485, 595815, 649980, 714978, 794420, 932580, 974970, 1072467, 1191630, 1429956, 1787445, 1949940, 2144934, 2383260, 3574890, 4289868, 5362335, 7149780, 10724670, 21449340]

約数ペア:

[(1, 21449340), (2, 10724670), (3, 7149780), (4, 5362335), (5, 4289868), (6, 3574890), (9, 2383260), (10, 2144934), (11, 1949940), (12, 1787445), (15, 1429956), (18, 1191630), (20, 1072467), (22, 974970), (23, 932580), (27, 794420), (30, 714978), (33, 649980), (36, 595815), (44, 487485), (45, 476652), (46, 466290), (54, 397210), (55, 389988), (60, 357489), (66, 324990), (69, 310860), (90, 238326), (92, 233145), (99, 216660), (108, 198605), (110, 194994), (115, 186516), (132, 162495), (135, 158884), (138, 155430), (157, 136620), (165, 129996), (180, 119163), (198, 108330), (207, 103620), (220, 97497), (230, 93258), (253, 84780), (270, 79442), (276, 77715), (297, 72220), (314, 68310), (330, 64998), (345, 62172), (396, 54165), (414, 51810), (460, 46629), (471, 45540), (495, 43332), (506, 42390), (540, 39721), (594, 36110), (621, 34540), (628, 34155), (660, 32499), (690, 31086), (759, 28260), (785, 27324), (828, 25905), (942, 22770), (990, 21666), (1012, 21195), (1035, 20724), (1188, 18055), (1242, 17270), (1265, 16956), (1380, 15543), (1413, 15180), (1485, 14444), (1518, 14130), (1570, 13662), (1727, 12420), (1884, 11385), (1980, 10833), (2070, 10362), (2277, 9420), (2355, 9108), (2484, 8635), (2530, 8478), (2826, 7590), (2970, 7222), (3036, 7065), (3105, 6908), (3140, 6831), (3454, 6210), (3611, 5940), (3795, 5652), (4140, 5181), (4239, 5060), (4554, 4710)]