21866284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 26904788

約数列:

[1, 2, 4, 11, 17, 22, 23, 31, 34, 41, 44, 46, 62, 68, 82, 92, 124, 164, 187, 253, 341, 374, 391, 451, 506, 527, 682, 697, 713, 748, 782, 902, 943, 1012, 1054, 1271, 1364, 1394, 1426, 1564, 1804, 1886, 2108, 2542, 2788, 2852, 3772, 4301, 5084, 5797, 7667, 7843, 8602, 10373, 11594, 12121, 13981, 15334, 15686, 16031, 17204, 20746, 21607, 23188, 24242, 27962, 29233, 30668, 31372, 32062, 41492, 43214, 48484, 55924, 58466, 64124, 86428, 116932, 133331, 176341, 237677, 266662, 321563, 352682, 475354, 496961, 533324, 643126, 705364, 950708, 993922, 1286252, 1987844, 5466571, 10933142, 21866284]

約数ペア:

[(1, 21866284), (2, 10933142), (4, 5466571), (11, 1987844), (17, 1286252), (22, 993922), (23, 950708), (31, 705364), (34, 643126), (41, 533324), (44, 496961), (46, 475354), (62, 352682), (68, 321563), (82, 266662), (92, 237677), (124, 176341), (164, 133331), (187, 116932), (253, 86428), (341, 64124), (374, 58466), (391, 55924), (451, 48484), (506, 43214), (527, 41492), (682, 32062), (697, 31372), (713, 30668), (748, 29233), (782, 27962), (902, 24242), (943, 23188), (1012, 21607), (1054, 20746), (1271, 17204), (1364, 16031), (1394, 15686), (1426, 15334), (1564, 13981), (1804, 12121), (1886, 11594), (2108, 10373), (2542, 8602), (2788, 7843), (2852, 7667), (3772, 5797), (4301, 5084)]