21462480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2325

約数の個数: 120

約数和(自身を含む): 77656488

約数和(自身を除く): 56194008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2293, 2340, 3120, 4586, 4680, 6879, 9172, 9360, 11465, 13758, 18344, 20637, 22930, 27516, 29809, 34395, 36688, 41274, 45860, 55032, 59618, 68790, 82548, 89427, 91720, 103185, 110064, 119236, 137580, 149045, 165096, 178854, 183440, 206370, 238472, 268281, 275160, 298090, 330192, 357708, 412740, 447135, 476944, 536562, 550320, 596180, 715416, 825480, 894270, 1073124, 1192360, 1341405, 1430832, 1650960, 1788540, 2146248, 2384720, 2682810, 3577080, 4292496, 5365620, 7154160, 10731240, 21462480]

約数ペア:

[(1, 21462480), (2, 10731240), (3, 7154160), (4, 5365620), (5, 4292496), (6, 3577080), (8, 2682810), (9, 2384720), (10, 2146248), (12, 1788540), (13, 1650960), (15, 1430832), (16, 1341405), (18, 1192360), (20, 1073124), (24, 894270), (26, 825480), (30, 715416), (36, 596180), (39, 550320), (40, 536562), (45, 476944), (48, 447135), (52, 412740), (60, 357708), (65, 330192), (72, 298090), (78, 275160), (80, 268281), (90, 238472), (104, 206370), (117, 183440), (120, 178854), (130, 165096), (144, 149045), (156, 137580), (180, 119236), (195, 110064), (208, 103185), (234, 91720), (240, 89427), (260, 82548), (312, 68790), (360, 59618), (390, 55032), (468, 45860), (520, 41274), (585, 36688), (624, 34395), (720, 29809), (780, 27516), (936, 22930), (1040, 20637), (1170, 18344), (1560, 13758), (1872, 11465), (2293, 9360), (2340, 9172), (3120, 6879), (4586, 4680)]