21225230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3797}}^1$

素因数の和:3860

約数の個数: 32

約数和(自身を含む): 42112224

約数和(自身を除く): 20886994

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3797, 5590, 7594, 18985, 37970, 49361, 98722, 163271, 246805, 326542, 493610, 816355, 1632710, 2122523, 4245046, 10612615, 21225230]

約数ペア:

[(1, 21225230), (2, 10612615), (5, 4245046), (10, 2122523), (13, 1632710), (26, 816355), (43, 493610), (65, 326542), (86, 246805), (130, 163271), (215, 98722), (430, 49361), (559, 37970), (1118, 18985), (2795, 7594), (3797, 5590)]