21777314

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 15478366

約数列:

[1, 2, 13, 26, 31, 41, 62, 82, 403, 533, 659, 806, 1066, 1271, 1318, 2542, 8567, 16523, 17134, 20429, 27019, 33046, 40858, 54038, 265577, 351247, 531154, 702494, 837589, 1675178, 10888657, 21777314]

約数ペア:

[(1, 21777314), (2, 10888657), (13, 1675178), (26, 837589), (31, 702494), (41, 531154), (62, 351247), (82, 265577), (403, 54038), (533, 40858), (659, 33046), (806, 27019), (1066, 20429), (1271, 17134), (1318, 16523), (2542, 8567)]