21640152456

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2568869}}^1$

素因数の和:2568900

約数の個数: 80

約数和(自身を含む): 65274986700

約数和(自身を除く): 43634834244

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 2568869, 5137738, 7706607, 10275476, 15413214, 20550952, 23119821, 30826428, 33395297, 46239642, 61652856, 66790594, 69359463, 92479284, 100185891, 133581188, 138718926, 184958568, 200371782, 208078389, 267162376, 277437852, 300557673, 400743564, 416156778, 554875704, 601115346, 801487128, 832313556, 901673019, 1202230692, 1664627112, 1803346038, 2404461384, 2705019057, 3606692076, 5410038114, 7213384152, 10820076228, 21640152456]

約数ペア:

[(1, 21640152456), (2, 10820076228), (3, 7213384152), (4, 5410038114), (6, 3606692076), (8, 2705019057), (9, 2404461384), (12, 1803346038), (13, 1664627112), (18, 1202230692), (24, 901673019), (26, 832313556), (27, 801487128), (36, 601115346), (39, 554875704), (52, 416156778), (54, 400743564), (72, 300557673), (78, 277437852), (81, 267162376), (104, 208078389), (108, 200371782), (117, 184958568), (156, 138718926), (162, 133581188), (216, 100185891), (234, 92479284), (312, 69359463), (324, 66790594), (351, 61652856), (468, 46239642), (648, 33395297), (702, 30826428), (936, 23119821), (1053, 20550952), (1404, 15413214), (2106, 10275476), (2808, 7706607), (4212, 5137738), (8424, 2568869)]