21728156730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14781059}}^1$

素因数の和:14781083

約数の個数: 48

約数和(自身を含む): 60661470240

約数和(自身を除く): 38933313510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14781059, 29562118, 44343177, 73905295, 88686354, 103467413, 147810590, 206934826, 221715885, 310402239, 443431770, 517337065, 620804478, 724271891, 1034674130, 1448543782, 1552011195, 2172815673, 3104022390, 3621359455, 4345631346, 7242718910, 10864078365, 21728156730]

約数ペア:

[(1, 21728156730), (2, 10864078365), (3, 7242718910), (5, 4345631346), (6, 3621359455), (7, 3104022390), (10, 2172815673), (14, 1552011195), (15, 1448543782), (21, 1034674130), (30, 724271891), (35, 620804478), (42, 517337065), (49, 443431770), (70, 310402239), (98, 221715885), (105, 206934826), (147, 147810590), (210, 103467413), (245, 88686354), (294, 73905295), (490, 44343177), (735, 29562118), (1470, 14781059)]