21892458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 52918272

約数和(自身を除く): 31025814

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 131, 138, 161, 173, 262, 322, 346, 393, 483, 519, 786, 917, 966, 1038, 1211, 1834, 2422, 2751, 3013, 3633, 3979, 5502, 6026, 7266, 7958, 9039, 11937, 18078, 21091, 22663, 23874, 27853, 42182, 45326, 55706, 63273, 67989, 83559, 126546, 135978, 158641, 167118, 317282, 475923, 521249, 951846, 1042498, 1563747, 3127494, 3648743, 7297486, 10946229, 21892458]

約数ペア:

[(1, 21892458), (2, 10946229), (3, 7297486), (6, 3648743), (7, 3127494), (14, 1563747), (21, 1042498), (23, 951846), (42, 521249), (46, 475923), (69, 317282), (131, 167118), (138, 158641), (161, 135978), (173, 126546), (262, 83559), (322, 67989), (346, 63273), (393, 55706), (483, 45326), (519, 42182), (786, 27853), (917, 23874), (966, 22663), (1038, 21091), (1211, 18078), (1834, 11937), (2422, 9039), (2751, 7958), (3013, 7266), (3633, 6026), (3979, 5502)]