21857244195

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1\times {\mathrm{2141}}^1$

素因数の和:2532

約数の個数: 64

約数和(自身を含む): 36954537984

約数和(自身を除く): 15097293789

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 233, 345, 381, 635, 699, 1165, 1905, 2141, 2921, 3495, 5359, 6423, 8763, 10705, 14605, 16077, 26795, 29591, 32115, 43815, 49243, 80385, 88773, 147729, 147955, 246215, 271907, 443865, 498853, 680593, 738645, 815721, 1359535, 1496559, 2041779, 2494265, 3402965, 4078605, 6253861, 7482795, 10208895, 11473619, 18761583, 31269305, 34420857, 57368095, 63354331, 93807915, 172104285, 190062993, 316771655, 950314965, 1457149613, 4371448839, 7285748065, 21857244195]

約数ペア:

[(1, 21857244195), (3, 7285748065), (5, 4371448839), (15, 1457149613), (23, 950314965), (69, 316771655), (115, 190062993), (127, 172104285), (233, 93807915), (345, 63354331), (381, 57368095), (635, 34420857), (699, 31269305), (1165, 18761583), (1905, 11473619), (2141, 10208895), (2921, 7482795), (3495, 6253861), (5359, 4078605), (6423, 3402965), (8763, 2494265), (10705, 2041779), (14605, 1496559), (16077, 1359535), (26795, 815721), (29591, 738645), (32115, 680593), (43815, 498853), (49243, 443865), (80385, 271907), (88773, 246215), (147729, 147955)]