21229236

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28081}}^1$

素因数の和:28101

約数の個数: 48

約数和(自身を含む): 62903680

約数和(自身を除く): 41674444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28081, 56162, 84243, 112324, 168486, 196567, 252729, 336972, 393134, 505458, 589701, 758187, 786268, 1010916, 1179402, 1516374, 1769103, 2358804, 3032748, 3538206, 5307309, 7076412, 10614618, 21229236]

約数ペア:

[(1, 21229236), (2, 10614618), (3, 7076412), (4, 5307309), (6, 3538206), (7, 3032748), (9, 2358804), (12, 1769103), (14, 1516374), (18, 1179402), (21, 1010916), (27, 786268), (28, 758187), (36, 589701), (42, 505458), (54, 393134), (63, 336972), (84, 252729), (108, 196567), (126, 168486), (189, 112324), (252, 84243), (378, 56162), (756, 28081)]