21800058

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 51806208

約数和(自身を除く): 30006150

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 67, 122, 127, 134, 183, 201, 254, 366, 381, 402, 427, 469, 762, 854, 889, 938, 1281, 1407, 1778, 2562, 2667, 2814, 4087, 5334, 7747, 8174, 8509, 12261, 15494, 17018, 23241, 24522, 25527, 28609, 46482, 51054, 54229, 57218, 59563, 85827, 108458, 119126, 162687, 171654, 178689, 325374, 357378, 519049, 1038098, 1557147, 3114294, 3633343, 7266686, 10900029, 21800058]

約数ペア:

[(1, 21800058), (2, 10900029), (3, 7266686), (6, 3633343), (7, 3114294), (14, 1557147), (21, 1038098), (42, 519049), (61, 357378), (67, 325374), (122, 178689), (127, 171654), (134, 162687), (183, 119126), (201, 108458), (254, 85827), (366, 59563), (381, 57218), (402, 54229), (427, 51054), (469, 46482), (762, 28609), (854, 25527), (889, 24522), (938, 23241), (1281, 17018), (1407, 15494), (1778, 12261), (2562, 8509), (2667, 8174), (2814, 7747), (4087, 5334)]