21573544

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 45314640

約数和(自身を除く): 23741096

約数列:

[1, 2, 4, 8, 17, 34, 41, 53, 68, 73, 82, 106, 136, 146, 164, 212, 292, 328, 424, 584, 697, 901, 1241, 1394, 1802, 2173, 2482, 2788, 2993, 3604, 3869, 4346, 4964, 5576, 5986, 7208, 7738, 8692, 9928, 11972, 15476, 17384, 23944, 30952, 36941, 50881, 65773, 73882, 101762, 131546, 147764, 158629, 203524, 263092, 295528, 317258, 407048, 526184, 634516, 1269032, 2696693, 5393386, 10786772, 21573544]

約数ペア:

[(1, 21573544), (2, 10786772), (4, 5393386), (8, 2696693), (17, 1269032), (34, 634516), (41, 526184), (53, 407048), (68, 317258), (73, 295528), (82, 263092), (106, 203524), (136, 158629), (146, 147764), (164, 131546), (212, 101762), (292, 73882), (328, 65773), (424, 50881), (584, 36941), (697, 30952), (901, 23944), (1241, 17384), (1394, 15476), (1802, 11972), (2173, 9928), (2482, 8692), (2788, 7738), (2993, 7208), (3604, 5986), (3869, 5576), (4346, 4964)]