21967778

素因数分解:

$2^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1033}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 39705600

約数和(自身を除く): 17737822

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 343, 434, 686, 1033, 1519, 2066, 3038, 7231, 10633, 14462, 21266, 32023, 50617, 64046, 101234, 224161, 354319, 448322, 708638, 1569127, 3138254, 10983889, 21967778]

約数ペア:

[(1, 21967778), (2, 10983889), (7, 3138254), (14, 1569127), (31, 708638), (49, 448322), (62, 354319), (98, 224161), (217, 101234), (343, 64046), (434, 50617), (686, 32023), (1033, 21266), (1519, 14462), (2066, 10633), (3038, 7231)]