21156408

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3229}}^1$

素因数の和:3261

約数の個数: 96

約数和(自身を含む): 70543200

約数和(自身を除く): 49386792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 234, 252, 273, 312, 364, 468, 504, 546, 728, 819, 936, 1092, 1638, 2184, 3229, 3276, 6458, 6552, 9687, 12916, 19374, 22603, 25832, 29061, 38748, 41977, 45206, 58122, 67809, 77496, 83954, 90412, 116244, 125931, 135618, 167908, 180824, 203427, 232488, 251862, 271236, 293839, 335816, 377793, 406854, 503724, 542472, 587678, 755586, 813708, 881517, 1007448, 1175356, 1511172, 1627416, 1763034, 2350712, 2644551, 3022344, 3526068, 5289102, 7052136, 10578204, 21156408]

約数ペア:

[(1, 21156408), (2, 10578204), (3, 7052136), (4, 5289102), (6, 3526068), (7, 3022344), (8, 2644551), (9, 2350712), (12, 1763034), (13, 1627416), (14, 1511172), (18, 1175356), (21, 1007448), (24, 881517), (26, 813708), (28, 755586), (36, 587678), (39, 542472), (42, 503724), (52, 406854), (56, 377793), (63, 335816), (72, 293839), (78, 271236), (84, 251862), (91, 232488), (104, 203427), (117, 180824), (126, 167908), (156, 135618), (168, 125931), (182, 116244), (234, 90412), (252, 83954), (273, 77496), (312, 67809), (364, 58122), (468, 45206), (504, 41977), (546, 38748), (728, 29061), (819, 25832), (936, 22603), (1092, 19374), (1638, 12916), (2184, 9687), (3229, 6552), (3276, 6458)]