21613294

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 13378706

約数列:

[1, 2, 29, 53, 58, 79, 89, 106, 158, 178, 1537, 2291, 2581, 3074, 4187, 4582, 4717, 5162, 7031, 8374, 9434, 14062, 121423, 136793, 203899, 242846, 273586, 372643, 407798, 745286, 10806647, 21613294]

約数ペア:

[(1, 21613294), (2, 10806647), (29, 745286), (53, 407798), (58, 372643), (79, 273586), (89, 242846), (106, 203899), (158, 136793), (178, 121423), (1537, 14062), (2291, 9434), (2581, 8374), (3074, 7031), (4187, 5162), (4582, 4717)]