21510618

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{733}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 44321856

約数和(自身を除く): 22811238

約数列:

[1, 2, 3, 6, 67, 73, 134, 146, 201, 219, 402, 438, 733, 1466, 2199, 4398, 4891, 9782, 14673, 29346, 49111, 53509, 98222, 107018, 147333, 160527, 294666, 321054, 3585103, 7170206, 10755309, 21510618]

約数ペア:

[(1, 21510618), (2, 10755309), (3, 7170206), (6, 3585103), (67, 321054), (73, 294666), (134, 160527), (146, 147333), (201, 107018), (219, 98222), (402, 53509), (438, 49111), (733, 29346), (1466, 14673), (2199, 9782), (4398, 4891)]