21445935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7043}}^1$

素因数の和:7087

約数の個数: 32

約数和(自身を含む): 40573440

約数和(自身を除く): 19127505

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 7043, 21129, 35215, 49301, 105645, 147903, 204247, 246505, 612741, 739515, 1021235, 1429729, 3063705, 4289187, 7148645, 21445935]

約数ペア:

[(1, 21445935), (3, 7148645), (5, 4289187), (7, 3063705), (15, 1429729), (21, 1021235), (29, 739515), (35, 612741), (87, 246505), (105, 204247), (145, 147903), (203, 105645), (435, 49301), (609, 35215), (1015, 21129), (3045, 7043)]