21856536

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1273

約数の個数: 96

約数和(自身を含む): 67158000

約数和(自身を除く): 45301464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 228, 234, 247, 312, 342, 456, 468, 494, 684, 741, 936, 988, 1229, 1368, 1482, 1976, 2223, 2458, 2964, 3687, 4446, 4916, 5928, 7374, 8892, 9832, 11061, 14748, 15977, 17784, 22122, 23351, 29496, 31954, 44244, 46702, 47931, 63908, 70053, 88488, 93404, 95862, 127816, 140106, 143793, 186808, 191724, 210159, 280212, 287586, 303563, 383448, 420318, 560424, 575172, 607126, 840636, 910689, 1150344, 1214252, 1681272, 1821378, 2428504, 2732067, 3642756, 5464134, 7285512, 10928268, 21856536]

約数ペア:

[(1, 21856536), (2, 10928268), (3, 7285512), (4, 5464134), (6, 3642756), (8, 2732067), (9, 2428504), (12, 1821378), (13, 1681272), (18, 1214252), (19, 1150344), (24, 910689), (26, 840636), (36, 607126), (38, 575172), (39, 560424), (52, 420318), (57, 383448), (72, 303563), (76, 287586), (78, 280212), (104, 210159), (114, 191724), (117, 186808), (152, 143793), (156, 140106), (171, 127816), (228, 95862), (234, 93404), (247, 88488), (312, 70053), (342, 63908), (456, 47931), (468, 46702), (494, 44244), (684, 31954), (741, 29496), (936, 23351), (988, 22122), (1229, 17784), (1368, 15977), (1482, 14748), (1976, 11061), (2223, 9832), (2458, 8892), (2964, 7374), (3687, 5928), (4446, 4916)]