21769130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70223}}^1$

素因数の和:70261

約数の個数: 16

約数和(自身を含む): 40449024

約数和(自身を除く): 18679894

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 70223, 140446, 351115, 702230, 2176913, 4353826, 10884565, 21769130]

約数ペア:

[(1, 21769130), (2, 10884565), (5, 4353826), (10, 2176913), (31, 702230), (62, 351115), (155, 140446), (310, 70223)]