21853965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7177}}^1$

素因数の和:7221

約数の個数: 32

約数和(自身を含む): 41345280

約数和(自身を除く): 19491315

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 7177, 21531, 35885, 50239, 107655, 150717, 208133, 251195, 624399, 753585, 1040665, 1456931, 3121995, 4370793, 7284655, 21853965]

約数ペア:

[(1, 21853965), (3, 7284655), (5, 4370793), (7, 3121995), (15, 1456931), (21, 1040665), (29, 753585), (35, 624399), (87, 251195), (105, 208133), (145, 150717), (203, 107655), (435, 50239), (609, 35885), (1015, 21531), (3045, 7177)]