21765602

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19751}}^1$

素因数の和:19801

約数の個数: 16

約数和(自身を含む): 35553600

約数和(自身を除く): 13787998

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19751, 39502, 375269, 572779, 750538, 1145558, 10882801, 21765602]

約数ペア:

[(1, 21765602), (2, 10882801), (19, 1145558), (29, 750538), (38, 572779), (58, 375269), (551, 39502), (1102, 19751)]