21574804958

素因数分解:

$2^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2081}}^1$

素因数の和:2255

約数の個数: 80

約数和(自身を含む): 40308585984

約数和(自身を除く): 18733781026

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 127, 238, 254, 343, 686, 833, 889, 1666, 1778, 2081, 2159, 2401, 4162, 4318, 4802, 5831, 6223, 11662, 12446, 14567, 15113, 29134, 30226, 35377, 40817, 43561, 70754, 81634, 87122, 101969, 105791, 203938, 211582, 247639, 264287, 304927, 495278, 528574, 609854, 713783, 740537, 1427566, 1481074, 1733473, 1850009, 3466946, 3700018, 4492879, 4996481, 5183759, 8985758, 9992962, 10367518, 12134311, 12950063, 24268622, 25900126, 31450153, 62900306, 84940177, 90650441, 169880354, 181300882, 220151071, 440302142, 634553087, 1269106174, 1541057497, 3082114994, 10787402479, 21574804958]

約数ペア:

[(1, 21574804958), (2, 10787402479), (7, 3082114994), (14, 1541057497), (17, 1269106174), (34, 634553087), (49, 440302142), (98, 220151071), (119, 181300882), (127, 169880354), (238, 90650441), (254, 84940177), (343, 62900306), (686, 31450153), (833, 25900126), (889, 24268622), (1666, 12950063), (1778, 12134311), (2081, 10367518), (2159, 9992962), (2401, 8985758), (4162, 5183759), (4318, 4996481), (4802, 4492879), (5831, 3700018), (6223, 3466946), (11662, 1850009), (12446, 1733473), (14567, 1481074), (15113, 1427566), (29134, 740537), (30226, 713783), (35377, 609854), (40817, 528574), (43561, 495278), (70754, 304927), (81634, 264287), (87122, 247639), (101969, 211582), (105791, 203938)]