21897044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 44688000

約数和(自身を除く): 22790956

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 599, 703, 962, 988, 1198, 1406, 1924, 2396, 2812, 7787, 9139, 11381, 15574, 18278, 22163, 22762, 31148, 36556, 44326, 45524, 88652, 147953, 288119, 295906, 421097, 576238, 591812, 842194, 1152476, 1684388, 5474261, 10948522, 21897044]

約数ペア:

[(1, 21897044), (2, 10948522), (4, 5474261), (13, 1684388), (19, 1152476), (26, 842194), (37, 591812), (38, 576238), (52, 421097), (74, 295906), (76, 288119), (148, 147953), (247, 88652), (481, 45524), (494, 44326), (599, 36556), (703, 31148), (962, 22762), (988, 22163), (1198, 18278), (1406, 15574), (1924, 11381), (2396, 9139), (2812, 7787)]