21693924

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2825

約数の個数: 72

約数和(自身を含む): 64716288

約数和(自身を除く): 43022364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 2777, 3906, 5554, 7812, 8331, 11108, 16662, 19439, 24993, 33324, 38878, 49986, 58317, 77756, 86087, 99972, 116634, 172174, 174951, 233268, 258261, 344348, 349902, 516522, 602609, 699804, 774783, 1033044, 1205218, 1549566, 1807827, 2410436, 3099132, 3615654, 5423481, 7231308, 10846962, 21693924]

約数ペア:

[(1, 21693924), (2, 10846962), (3, 7231308), (4, 5423481), (6, 3615654), (7, 3099132), (9, 2410436), (12, 1807827), (14, 1549566), (18, 1205218), (21, 1033044), (28, 774783), (31, 699804), (36, 602609), (42, 516522), (62, 349902), (63, 344348), (84, 258261), (93, 233268), (124, 174951), (126, 172174), (186, 116634), (217, 99972), (252, 86087), (279, 77756), (372, 58317), (434, 49986), (558, 38878), (651, 33324), (868, 24993), (1116, 19439), (1302, 16662), (1953, 11108), (2604, 8331), (2777, 7812), (3906, 5554)]