21167768180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{9029}}^1$

素因数の和:9249

約数の個数: 96

約数和(自身を含む): 48933642240

約数和(自身を除く): 27765874060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 127, 130, 142, 254, 260, 284, 355, 508, 635, 710, 923, 1270, 1420, 1651, 1846, 2540, 3302, 3692, 4615, 6604, 8255, 9017, 9029, 9230, 16510, 18034, 18058, 18460, 33020, 36068, 36116, 45085, 45145, 90170, 90290, 117221, 117377, 180340, 180580, 234442, 234754, 468884, 469508, 586105, 586885, 641059, 1146683, 1172210, 1173770, 1282118, 2293366, 2344420, 2347540, 2564236, 3205295, 4586732, 5733415, 6410590, 8333767, 11466830, 12821180, 14906879, 16667534, 22933660, 29813758, 33335068, 41668835, 59627516, 74534395, 81414493, 83337670, 149068790, 162828986, 166675340, 298137580, 325657972, 407072465, 814144930, 1058388409, 1628289860, 2116776818, 4233553636, 5291942045, 10583884090, 21167768180]

約数ペア:

[(1, 21167768180), (2, 10583884090), (4, 5291942045), (5, 4233553636), (10, 2116776818), (13, 1628289860), (20, 1058388409), (26, 814144930), (52, 407072465), (65, 325657972), (71, 298137580), (127, 166675340), (130, 162828986), (142, 149068790), (254, 83337670), (260, 81414493), (284, 74534395), (355, 59627516), (508, 41668835), (635, 33335068), (710, 29813758), (923, 22933660), (1270, 16667534), (1420, 14906879), (1651, 12821180), (1846, 11466830), (2540, 8333767), (3302, 6410590), (3692, 5733415), (4615, 4586732), (6604, 3205295), (8255, 2564236), (9017, 2347540), (9029, 2344420), (9230, 2293366), (16510, 1282118), (18034, 1173770), (18058, 1172210), (18460, 1146683), (33020, 641059), (36068, 586885), (36116, 586105), (45085, 469508), (45145, 468884), (90170, 234754), (90290, 234442), (117221, 180580), (117377, 180340)]