21463966

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 34771968

約数和(自身を除く): 13308002

約数列:

[1, 2, 31, 43, 62, 83, 86, 97, 166, 194, 1333, 2573, 2666, 3007, 3569, 4171, 5146, 6014, 7138, 8051, 8342, 16102, 110639, 129301, 221278, 249581, 258602, 346193, 499162, 692386, 10731983, 21463966]

約数ペア:

[(1, 21463966), (2, 10731983), (31, 692386), (43, 499162), (62, 346193), (83, 258602), (86, 249581), (97, 221278), (166, 129301), (194, 110639), (1333, 16102), (2573, 8342), (2666, 8051), (3007, 7138), (3569, 6014), (4171, 5146)]