21216144684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{280949}}^1$

素因数の和:281023

約数の個数: 96

約数和(自身を含む): 60415488000

約数和(自身を除く): 39199343316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 31, 42, 58, 62, 84, 87, 93, 116, 124, 174, 186, 203, 217, 348, 372, 406, 434, 609, 651, 812, 868, 899, 1218, 1302, 1798, 2436, 2604, 2697, 3596, 5394, 6293, 10788, 12586, 18879, 25172, 37758, 75516, 280949, 561898, 842847, 1123796, 1685694, 1966643, 3371388, 3933286, 5899929, 7866572, 8147521, 8709419, 11799858, 16295042, 17418838, 23599716, 24442563, 26128257, 32590084, 34837676, 48885126, 52256514, 57032647, 60965933, 97770252, 104513028, 114065294, 121931866, 171097941, 182897799, 228130588, 243863732, 252573151, 342195882, 365795598, 505146302, 684391764, 731591196, 757719453, 1010292604, 1515438906, 1768012057, 3030877812, 3536024114, 5304036171, 7072048228, 10608072342, 21216144684]

約数ペア:

[(1, 21216144684), (2, 10608072342), (3, 7072048228), (4, 5304036171), (6, 3536024114), (7, 3030877812), (12, 1768012057), (14, 1515438906), (21, 1010292604), (28, 757719453), (29, 731591196), (31, 684391764), (42, 505146302), (58, 365795598), (62, 342195882), (84, 252573151), (87, 243863732), (93, 228130588), (116, 182897799), (124, 171097941), (174, 121931866), (186, 114065294), (203, 104513028), (217, 97770252), (348, 60965933), (372, 57032647), (406, 52256514), (434, 48885126), (609, 34837676), (651, 32590084), (812, 26128257), (868, 24442563), (899, 23599716), (1218, 17418838), (1302, 16295042), (1798, 11799858), (2436, 8709419), (2604, 8147521), (2697, 7866572), (3596, 5899929), (5394, 3933286), (6293, 3371388), (10788, 1966643), (12586, 1685694), (18879, 1123796), (25172, 842847), (37758, 561898), (75516, 280949)]