21956122

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 14124518

約数列:

[1, 2, 23, 31, 46, 62, 89, 173, 178, 346, 713, 1426, 2047, 2759, 3979, 4094, 5363, 5518, 7958, 10726, 15397, 30794, 63457, 123349, 126914, 246698, 354131, 477307, 708262, 954614, 10978061, 21956122]

約数ペア:

[(1, 21956122), (2, 10978061), (23, 954614), (31, 708262), (46, 477307), (62, 354131), (89, 246698), (173, 126914), (178, 123349), (346, 63457), (713, 30794), (1426, 15397), (2047, 10726), (2759, 7958), (3979, 5518), (4094, 5363)]