21031915070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{698039}}^1$

素因数の和:698200

約数の個数: 32

約数和(自身を含む): 39805032960

約数和(自身を除く): 18773117890

約数列:

[1, 2, 5, 10, 23, 46, 115, 131, 230, 262, 655, 1310, 3013, 6026, 15065, 30130, 698039, 1396078, 3490195, 6980390, 16054897, 32109794, 80274485, 91443109, 160548970, 182886218, 457215545, 914431090, 2103191507, 4206383014, 10515957535, 21031915070]

約数ペア:

[(1, 21031915070), (2, 10515957535), (5, 4206383014), (10, 2103191507), (23, 914431090), (46, 457215545), (115, 182886218), (131, 160548970), (230, 91443109), (262, 80274485), (655, 32109794), (1310, 16054897), (3013, 6980390), (6026, 3490195), (15065, 1396078), (30130, 698039)]