21722764

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24242036

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 379, 623, 644, 758, 1246, 1516, 2047, 2492, 2653, 4094, 5306, 8188, 8717, 10612, 14329, 17434, 28658, 33731, 34868, 57316, 61019, 67462, 122038, 134924, 236117, 244076, 472234, 775813, 944468, 1551626, 3103252, 5430691, 10861382, 21722764]

約数ペア:

[(1, 21722764), (2, 10861382), (4, 5430691), (7, 3103252), (14, 1551626), (23, 944468), (28, 775813), (46, 472234), (89, 244076), (92, 236117), (161, 134924), (178, 122038), (322, 67462), (356, 61019), (379, 57316), (623, 34868), (644, 33731), (758, 28658), (1246, 17434), (1516, 14329), (2047, 10612), (2492, 8717), (2653, 8188), (4094, 5306)]