21213456

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{40177}}^1$

素因数の和:40199

約数の個数: 40

約数和(自身を含む): 59784864

約数和(自身を除く): 38571408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 40177, 80354, 120531, 160708, 241062, 321416, 441947, 482124, 642832, 883894, 964248, 1325841, 1767788, 1928496, 2651682, 3535576, 5303364, 7071152, 10606728, 21213456]

約数ペア:

[(1, 21213456), (2, 10606728), (3, 7071152), (4, 5303364), (6, 3535576), (8, 2651682), (11, 1928496), (12, 1767788), (16, 1325841), (22, 964248), (24, 883894), (33, 642832), (44, 482124), (48, 441947), (66, 321416), (88, 241062), (132, 160708), (176, 120531), (264, 80354), (528, 40177)]