21313236

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 58822176

約数和(自身を除く): 37508940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 541, 588, 804, 938, 1082, 1407, 1623, 1876, 2164, 2814, 3246, 3283, 3787, 5628, 6492, 6566, 7574, 9849, 11361, 13132, 15148, 19698, 22722, 26509, 36247, 39396, 45444, 53018, 72494, 79527, 106036, 108741, 144988, 159054, 217482, 253729, 318108, 434964, 507458, 761187, 1014916, 1522374, 1776103, 3044748, 3552206, 5328309, 7104412, 10656618, 21313236]

約数ペア:

[(1, 21313236), (2, 10656618), (3, 7104412), (4, 5328309), (6, 3552206), (7, 3044748), (12, 1776103), (14, 1522374), (21, 1014916), (28, 761187), (42, 507458), (49, 434964), (67, 318108), (84, 253729), (98, 217482), (134, 159054), (147, 144988), (196, 108741), (201, 106036), (268, 79527), (294, 72494), (402, 53018), (469, 45444), (541, 39396), (588, 36247), (804, 26509), (938, 22722), (1082, 19698), (1407, 15148), (1623, 13132), (1876, 11361), (2164, 9849), (2814, 7574), (3246, 6566), (3283, 6492), (3787, 5628)]