21544790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 40732416

約数和(自身を除く): 19187626

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 283, 331, 566, 662, 1415, 1655, 2830, 3310, 6509, 7613, 13018, 15226, 32545, 38065, 65090, 76130, 93673, 187346, 468365, 936730, 2154479, 4308958, 10772395, 21544790]

約数ペア:

[(1, 21544790), (2, 10772395), (5, 4308958), (10, 2154479), (23, 936730), (46, 468365), (115, 187346), (230, 93673), (283, 76130), (331, 65090), (566, 38065), (662, 32545), (1415, 15226), (1655, 13018), (2830, 7613), (3310, 6509)]