21385757328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1490089}}^1$

素因数の和:1490136

約数の個数: 80

約数和(自身を含む): 62083109760

約数和(自身を除く): 40697352432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1794, 2392, 3588, 4784, 7176, 14352, 1490089, 2980178, 4470267, 5960356, 8940534, 11920712, 17881068, 19371157, 23841424, 34272047, 35762136, 38742314, 58113471, 68544094, 71524272, 77484628, 102816141, 116226942, 137088188, 154969256, 205632282, 232453884, 274176376, 309938512, 411264564, 445536611, 464907768, 548352752, 822529128, 891073222, 929815536, 1336609833, 1645058256, 1782146444, 2673219666, 3564292888, 5346439332, 7128585776, 10692878664, 21385757328]

約数ペア:

[(1, 21385757328), (2, 10692878664), (3, 7128585776), (4, 5346439332), (6, 3564292888), (8, 2673219666), (12, 1782146444), (13, 1645058256), (16, 1336609833), (23, 929815536), (24, 891073222), (26, 822529128), (39, 548352752), (46, 464907768), (48, 445536611), (52, 411264564), (69, 309938512), (78, 274176376), (92, 232453884), (104, 205632282), (138, 154969256), (156, 137088188), (184, 116226942), (208, 102816141), (276, 77484628), (299, 71524272), (312, 68544094), (368, 58113471), (552, 38742314), (598, 35762136), (624, 34272047), (897, 23841424), (1104, 19371157), (1196, 17881068), (1794, 11920712), (2392, 8940534), (3588, 5960356), (4784, 4470267), (7176, 2980178), (14352, 1490089)]