21875070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 96

約数和(自身を含む): 63825408

約数和(自身を除く): 41950338

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 49, 69, 70, 98, 105, 115, 138, 147, 161, 210, 230, 245, 294, 322, 345, 483, 490, 647, 690, 735, 805, 966, 1127, 1294, 1470, 1610, 1941, 2254, 2415, 3235, 3381, 3882, 4529, 4830, 5635, 6470, 6762, 9058, 9705, 11270, 13587, 14881, 16905, 19410, 22645, 27174, 29762, 31703, 33810, 44643, 45290, 63406, 67935, 74405, 89286, 95109, 104167, 135870, 148810, 158515, 190218, 208334, 223215, 312501, 317030, 446430, 475545, 520835, 625002, 729169, 951090, 1041670, 1458338, 1562505, 2187507, 3125010, 3645845, 4375014, 7291690, 10937535, 21875070]

約数ペア:

[(1, 21875070), (2, 10937535), (3, 7291690), (5, 4375014), (6, 3645845), (7, 3125010), (10, 2187507), (14, 1562505), (15, 1458338), (21, 1041670), (23, 951090), (30, 729169), (35, 625002), (42, 520835), (46, 475545), (49, 446430), (69, 317030), (70, 312501), (98, 223215), (105, 208334), (115, 190218), (138, 158515), (147, 148810), (161, 135870), (210, 104167), (230, 95109), (245, 89286), (294, 74405), (322, 67935), (345, 63406), (483, 45290), (490, 44643), (647, 33810), (690, 31703), (735, 29762), (805, 27174), (966, 22645), (1127, 19410), (1294, 16905), (1470, 14881), (1610, 13587), (1941, 11270), (2254, 9705), (2415, 9058), (3235, 6762), (3381, 6470), (3882, 5635), (4529, 4830)]