21922180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 56996352

約数和(自身を除く): 35074172

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 61, 68, 70, 85, 119, 122, 140, 151, 170, 238, 244, 302, 305, 340, 427, 476, 595, 604, 610, 755, 854, 1037, 1057, 1190, 1220, 1510, 1708, 2074, 2114, 2135, 2380, 2567, 3020, 4148, 4228, 4270, 5134, 5185, 5285, 7259, 8540, 9211, 10268, 10370, 10570, 12835, 14518, 17969, 18422, 20740, 21140, 25670, 29036, 35938, 36295, 36844, 46055, 51340, 64477, 71876, 72590, 89845, 92110, 128954, 145180, 156587, 179690, 184220, 257908, 313174, 322385, 359380, 626348, 644770, 782935, 1096109, 1289540, 1565870, 2192218, 3131740, 4384436, 5480545, 10961090, 21922180]

約数ペア:

[(1, 21922180), (2, 10961090), (4, 5480545), (5, 4384436), (7, 3131740), (10, 2192218), (14, 1565870), (17, 1289540), (20, 1096109), (28, 782935), (34, 644770), (35, 626348), (61, 359380), (68, 322385), (70, 313174), (85, 257908), (119, 184220), (122, 179690), (140, 156587), (151, 145180), (170, 128954), (238, 92110), (244, 89845), (302, 72590), (305, 71876), (340, 64477), (427, 51340), (476, 46055), (595, 36844), (604, 36295), (610, 35938), (755, 29036), (854, 25670), (1037, 21140), (1057, 20740), (1190, 18422), (1220, 17969), (1510, 14518), (1708, 12835), (2074, 10570), (2114, 10370), (2135, 10268), (2380, 9211), (2567, 8540), (3020, 7259), (4148, 5285), (4228, 5185), (4270, 5134)]