21410676

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:370

約数の個数: 96

約数和(自身を含む): 64225280

約数和(自身を除く): 42814604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 127, 189, 223, 252, 254, 378, 381, 446, 508, 669, 756, 762, 889, 892, 1143, 1338, 1524, 1561, 1778, 2007, 2286, 2667, 2676, 3122, 3429, 3556, 4014, 4572, 4683, 5334, 6021, 6244, 6858, 8001, 8028, 9366, 10668, 12042, 13716, 14049, 16002, 18732, 24003, 24084, 28098, 28321, 32004, 42147, 48006, 56196, 56642, 84294, 84963, 96012, 113284, 168588, 169926, 198247, 254889, 339852, 396494, 509778, 594741, 764667, 792988, 1019556, 1189482, 1529334, 1784223, 2378964, 3058668, 3568446, 5352669, 7136892, 10705338, 21410676]

約数ペア:

[(1, 21410676), (2, 10705338), (3, 7136892), (4, 5352669), (6, 3568446), (7, 3058668), (9, 2378964), (12, 1784223), (14, 1529334), (18, 1189482), (21, 1019556), (27, 792988), (28, 764667), (36, 594741), (42, 509778), (54, 396494), (63, 339852), (84, 254889), (108, 198247), (126, 169926), (127, 168588), (189, 113284), (223, 96012), (252, 84963), (254, 84294), (378, 56642), (381, 56196), (446, 48006), (508, 42147), (669, 32004), (756, 28321), (762, 28098), (889, 24084), (892, 24003), (1143, 18732), (1338, 16002), (1524, 14049), (1561, 13716), (1778, 12042), (2007, 10668), (2286, 9366), (2667, 8028), (2676, 8001), (3122, 6858), (3429, 6244), (3556, 6021), (4014, 5334), (4572, 4683)]