21170292

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 59176320

約数和(自身を除く): 38006028

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 73, 78, 132, 143, 146, 156, 169, 219, 286, 292, 338, 429, 438, 507, 572, 676, 803, 858, 876, 949, 1014, 1606, 1716, 1859, 1898, 2028, 2197, 2409, 2847, 3212, 3718, 3796, 4394, 4818, 5577, 5694, 6591, 7436, 8788, 9636, 10439, 11154, 11388, 12337, 13182, 20878, 22308, 24167, 24674, 26364, 31317, 37011, 41756, 48334, 49348, 62634, 72501, 74022, 96668, 125268, 135707, 145002, 148044, 160381, 271414, 290004, 320762, 407121, 481143, 542828, 641524, 814242, 962286, 1628484, 1764191, 1924572, 3528382, 5292573, 7056764, 10585146, 21170292]

約数ペア:

[(1, 21170292), (2, 10585146), (3, 7056764), (4, 5292573), (6, 3528382), (11, 1924572), (12, 1764191), (13, 1628484), (22, 962286), (26, 814242), (33, 641524), (39, 542828), (44, 481143), (52, 407121), (66, 320762), (73, 290004), (78, 271414), (132, 160381), (143, 148044), (146, 145002), (156, 135707), (169, 125268), (219, 96668), (286, 74022), (292, 72501), (338, 62634), (429, 49348), (438, 48334), (507, 41756), (572, 37011), (676, 31317), (803, 26364), (858, 24674), (876, 24167), (949, 22308), (1014, 20878), (1606, 13182), (1716, 12337), (1859, 11388), (1898, 11154), (2028, 10439), (2197, 9636), (2409, 8788), (2847, 7436), (3212, 6591), (3718, 5694), (3796, 5577), (4394, 4818)]