21215672388

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{3220351}}^1$

素因数の和:3220425

約数の個数: 48

約数和(自身を含む): 55905310720

約数和(自身を除く): 34689638332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1647, 2196, 3294, 6588, 3220351, 6440702, 9661053, 12881404, 19322106, 28983159, 38644212, 57966318, 86949477, 115932636, 173898954, 196441411, 347797908, 392882822, 589324233, 785765644, 1178648466, 1767972699, 2357296932, 3535945398, 5303918097, 7071890796, 10607836194, 21215672388]

約数ペア:

[(1, 21215672388), (2, 10607836194), (3, 7071890796), (4, 5303918097), (6, 3535945398), (9, 2357296932), (12, 1767972699), (18, 1178648466), (27, 785765644), (36, 589324233), (54, 392882822), (61, 347797908), (108, 196441411), (122, 173898954), (183, 115932636), (244, 86949477), (366, 57966318), (549, 38644212), (732, 28983159), (1098, 19322106), (1647, 12881404), (2196, 9661053), (3294, 6440702), (6588, 3220351)]