21305910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2269}}^1$

素因数の和:2592

約数の個数: 32

約数和(自身を含む): 51320160

約数和(自身を除く): 30014250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 313, 626, 939, 1565, 1878, 2269, 3130, 4538, 4695, 6807, 9390, 11345, 13614, 22690, 34035, 68070, 710197, 1420394, 2130591, 3550985, 4261182, 7101970, 10652955, 21305910]

約数ペア:

[(1, 21305910), (2, 10652955), (3, 7101970), (5, 4261182), (6, 3550985), (10, 2130591), (15, 1420394), (30, 710197), (313, 68070), (626, 34035), (939, 22690), (1565, 13614), (1878, 11345), (2269, 9390), (3130, 6807), (4538, 4695)]