20210958651

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1901}}^1$

素因数の和:2128

約数の個数: 64

約数和(自身を含む): 30509297280

約数和(自身を除く): 10298338629

約数列:

[1, 3, 13, 39, 41, 61, 109, 123, 183, 327, 533, 793, 1417, 1599, 1901, 2379, 2501, 4251, 4469, 5703, 6649, 7503, 13407, 19947, 24713, 32513, 58097, 74139, 77941, 86437, 97539, 115961, 174291, 207209, 233823, 259311, 272609, 347883, 621627, 817827, 1013233, 1507493, 2693717, 3039699, 3543917, 4522479, 4754401, 8081151, 8495569, 10631751, 12639749, 14263203, 25486707, 37919247, 61807213, 110442397, 164316737, 185421639, 331327191, 492950211, 518229709, 1554689127, 6736986217, 20210958651]

約数ペア:

[(1, 20210958651), (3, 6736986217), (13, 1554689127), (39, 518229709), (41, 492950211), (61, 331327191), (109, 185421639), (123, 164316737), (183, 110442397), (327, 61807213), (533, 37919247), (793, 25486707), (1417, 14263203), (1599, 12639749), (1901, 10631751), (2379, 8495569), (2501, 8081151), (4251, 4754401), (4469, 4522479), (5703, 3543917), (6649, 3039699), (7503, 2693717), (13407, 1507493), (19947, 1013233), (24713, 817827), (32513, 621627), (58097, 347883), (74139, 272609), (77941, 259311), (86437, 233823), (97539, 207209), (115961, 174291)]