21867954368

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{906331}}^1$

素因数の和:906385

約数の個数: 56

約数和(自身を含む): 48343748880

約数和(自身を除く): 26475794512

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 208, 232, 377, 416, 464, 754, 832, 928, 1508, 1856, 3016, 6032, 12064, 24128, 906331, 1812662, 3625324, 7250648, 11782303, 14501296, 23564606, 26283599, 29002592, 47129212, 52567198, 58005184, 94258424, 105134396, 188516848, 210268792, 341686787, 377033696, 420537584, 683373574, 754067392, 841075168, 1366747148, 1682150336, 2733494296, 5466988592, 10933977184, 21867954368]

約数ペア:

[(1, 21867954368), (2, 10933977184), (4, 5466988592), (8, 2733494296), (13, 1682150336), (16, 1366747148), (26, 841075168), (29, 754067392), (32, 683373574), (52, 420537584), (58, 377033696), (64, 341686787), (104, 210268792), (116, 188516848), (208, 105134396), (232, 94258424), (377, 58005184), (416, 52567198), (464, 47129212), (754, 29002592), (832, 26283599), (928, 23564606), (1508, 14501296), (1856, 11782303), (3016, 7250648), (6032, 3625324), (12064, 1812662), (24128, 906331)]