21509096

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7247}}^1$

素因数の和:7313

約数の個数: 32

約数和(自身を含む): 46967040

約数和(自身を除く): 25457944

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7247, 14494, 28988, 50729, 57976, 101458, 202916, 384091, 405832, 768182, 1536364, 2688637, 3072728, 5377274, 10754548, 21509096]

約数ペア:

[(1, 21509096), (2, 10754548), (4, 5377274), (7, 3072728), (8, 2688637), (14, 1536364), (28, 768182), (53, 405832), (56, 384091), (106, 202916), (212, 101458), (371, 57976), (424, 50729), (742, 28988), (1484, 14494), (2968, 7247)]