21244752

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 62984064

約数和(自身を除く): 41739312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 47, 48, 72, 73, 86, 94, 129, 141, 144, 146, 172, 188, 219, 258, 282, 292, 344, 376, 387, 423, 438, 516, 564, 584, 657, 688, 752, 774, 846, 876, 1032, 1128, 1168, 1314, 1548, 1692, 1752, 2021, 2064, 2256, 2628, 3096, 3139, 3384, 3431, 3504, 4042, 5256, 6063, 6192, 6278, 6768, 6862, 8084, 9417, 10293, 10512, 12126, 12556, 13724, 16168, 18189, 18834, 20586, 24252, 25112, 27448, 28251, 30879, 32336, 36378, 37668, 41172, 48504, 50224, 54896, 56502, 61758, 72756, 75336, 82344, 97008, 113004, 123516, 145512, 147533, 150672, 164688, 226008, 247032, 291024, 295066, 442599, 452016, 494064, 590132, 885198, 1180264, 1327797, 1770396, 2360528, 2655594, 3540792, 5311188, 7081584, 10622376, 21244752]

約数ペア:

[(1, 21244752), (2, 10622376), (3, 7081584), (4, 5311188), (6, 3540792), (8, 2655594), (9, 2360528), (12, 1770396), (16, 1327797), (18, 1180264), (24, 885198), (36, 590132), (43, 494064), (47, 452016), (48, 442599), (72, 295066), (73, 291024), (86, 247032), (94, 226008), (129, 164688), (141, 150672), (144, 147533), (146, 145512), (172, 123516), (188, 113004), (219, 97008), (258, 82344), (282, 75336), (292, 72756), (344, 61758), (376, 56502), (387, 54896), (423, 50224), (438, 48504), (516, 41172), (564, 37668), (584, 36378), (657, 32336), (688, 30879), (752, 28251), (774, 27448), (846, 25112), (876, 24252), (1032, 20586), (1128, 18834), (1168, 18189), (1314, 16168), (1548, 13724), (1692, 12556), (1752, 12126), (2021, 10512), (2064, 10293), (2256, 9417), (2628, 8084), (3096, 6862), (3139, 6768), (3384, 6278), (3431, 6192), (3504, 6063), (4042, 5256)]