21208049286

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1\times {\mathrm{577}}^1$

素因数の和:1277

約数の個数: 64

約数和(自身を含む): 43331245056

約数和(自身を除く): 22123195770

約数列:

[1, 2, 3, 6, 101, 131, 202, 262, 303, 393, 463, 577, 606, 786, 926, 1154, 1389, 1731, 2778, 3462, 13231, 26462, 39693, 46763, 58277, 60653, 75587, 79386, 93526, 116554, 121306, 140289, 151174, 174831, 181959, 226761, 267151, 280578, 349662, 363918, 453522, 534302, 801453, 1602906, 6125953, 7634287, 12251906, 15268574, 18377859, 22902861, 26982251, 34996781, 36755718, 45805722, 53964502, 69993562, 80946753, 104990343, 161893506, 209980686, 3534674881, 7069349762, 10604024643, 21208049286]

約数ペア:

[(1, 21208049286), (2, 10604024643), (3, 7069349762), (6, 3534674881), (101, 209980686), (131, 161893506), (202, 104990343), (262, 80946753), (303, 69993562), (393, 53964502), (463, 45805722), (577, 36755718), (606, 34996781), (786, 26982251), (926, 22902861), (1154, 18377859), (1389, 15268574), (1731, 12251906), (2778, 7634287), (3462, 6125953), (13231, 1602906), (26462, 801453), (39693, 534302), (46763, 453522), (58277, 363918), (60653, 349662), (75587, 280578), (79386, 267151), (93526, 226761), (116554, 181959), (121306, 174831), (140289, 151174)]