21697466115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{194867}}^1$

素因数の和:195459

約数の個数: 32

約数和(自身を含む): 37452070656

約数和(自身を除く): 15754604541

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 571, 1713, 2855, 7423, 8565, 22269, 37115, 111345, 194867, 584601, 974335, 2533271, 2923005, 7599813, 12666355, 37999065, 111269057, 333807171, 556345285, 1446497741, 1669035855, 4339493223, 7232488705, 21697466115]

約数ペア:

[(1, 21697466115), (3, 7232488705), (5, 4339493223), (13, 1669035855), (15, 1446497741), (39, 556345285), (65, 333807171), (195, 111269057), (571, 37999065), (1713, 12666355), (2855, 7599813), (7423, 2923005), (8565, 2533271), (22269, 974335), (37115, 584601), (111345, 194867)]