21739092980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{22111}}^1$

素因数の和:22281

約数の個数: 96

約数和(自身を含む): 51487349760

約数和(自身を除く): 29748256780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 109, 110, 164, 205, 218, 220, 410, 436, 451, 545, 820, 902, 1090, 1199, 1804, 2180, 2255, 2398, 4469, 4510, 4796, 5995, 8938, 9020, 11990, 17876, 22111, 22345, 23980, 44222, 44690, 49159, 88444, 89380, 98318, 110555, 196636, 221110, 243221, 245795, 442220, 486442, 491590, 906551, 972884, 983180, 1216105, 1813102, 2410099, 2432210, 3626204, 4532755, 4820198, 4864420, 9065510, 9640396, 9972061, 12050495, 18131020, 19944122, 24100990, 26511089, 39888244, 48201980, 49860305, 53022178, 98814059, 99720610, 106044356, 132555445, 197628118, 199441220, 265110890, 395256236, 494070295, 530221780, 988140590, 1086954649, 1976281180, 2173909298, 4347818596, 5434773245, 10869546490, 21739092980]

約数ペア:

[(1, 21739092980), (2, 10869546490), (4, 5434773245), (5, 4347818596), (10, 2173909298), (11, 1976281180), (20, 1086954649), (22, 988140590), (41, 530221780), (44, 494070295), (55, 395256236), (82, 265110890), (109, 199441220), (110, 197628118), (164, 132555445), (205, 106044356), (218, 99720610), (220, 98814059), (410, 53022178), (436, 49860305), (451, 48201980), (545, 39888244), (820, 26511089), (902, 24100990), (1090, 19944122), (1199, 18131020), (1804, 12050495), (2180, 9972061), (2255, 9640396), (2398, 9065510), (4469, 4864420), (4510, 4820198), (4796, 4532755), (5995, 3626204), (8938, 2432210), (9020, 2410099), (11990, 1813102), (17876, 1216105), (22111, 983180), (22345, 972884), (23980, 906551), (44222, 491590), (44690, 486442), (49159, 442220), (88444, 245795), (89380, 243221), (98318, 221110), (110555, 196636)]