21234115

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 10284605

約数列:

[1, 5, 7, 19, 35, 37, 95, 133, 185, 259, 665, 703, 863, 1295, 3515, 4315, 4921, 6041, 16397, 24605, 30205, 31931, 81985, 114779, 159655, 223517, 573895, 606689, 1117585, 3033445, 4246823, 21234115]

約数ペア:

[(1, 21234115), (5, 4246823), (7, 3033445), (19, 1117585), (35, 606689), (37, 573895), (95, 223517), (133, 159655), (185, 114779), (259, 81985), (665, 31931), (703, 30205), (863, 24605), (1295, 16397), (3515, 6041), (4315, 4921)]