21183470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 49871808

約数和(自身を除く): 28688338

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 41, 55, 61, 70, 77, 82, 110, 121, 122, 154, 205, 242, 287, 305, 385, 410, 427, 451, 574, 605, 610, 671, 770, 847, 854, 902, 1210, 1342, 1435, 1694, 2135, 2255, 2501, 2870, 3157, 3355, 4235, 4270, 4510, 4697, 4961, 5002, 6314, 6710, 7381, 8470, 9394, 9922, 12505, 14762, 15785, 17507, 23485, 24805, 25010, 27511, 31570, 34727, 35014, 36905, 46970, 49610, 51667, 55022, 69454, 73810, 87535, 103334, 137555, 173635, 175070, 192577, 258335, 275110, 302621, 347270, 385154, 516670, 605242, 962885, 1513105, 1925770, 2118347, 3026210, 4236694, 10591735, 21183470]

約数ペア:

[(1, 21183470), (2, 10591735), (5, 4236694), (7, 3026210), (10, 2118347), (11, 1925770), (14, 1513105), (22, 962885), (35, 605242), (41, 516670), (55, 385154), (61, 347270), (70, 302621), (77, 275110), (82, 258335), (110, 192577), (121, 175070), (122, 173635), (154, 137555), (205, 103334), (242, 87535), (287, 73810), (305, 69454), (385, 55022), (410, 51667), (427, 49610), (451, 46970), (574, 36905), (605, 35014), (610, 34727), (671, 31570), (770, 27511), (847, 25010), (854, 24805), (902, 23485), (1210, 17507), (1342, 15785), (1435, 14762), (1694, 12505), (2135, 9922), (2255, 9394), (2501, 8470), (2870, 7381), (3157, 6710), (3355, 6314), (4235, 5002), (4270, 4961), (4510, 4697)]