21169246140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16800989}}^1$

素因数の和:16801011

約数の個数: 72

約数和(自身を含む): 73386724320

約数和(自身を除く): 52217478180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16800989, 33601978, 50402967, 67203956, 84004945, 100805934, 117606923, 151208901, 168009890, 201611868, 235213846, 252014835, 302417802, 336019780, 352820769, 470427692, 504029670, 588034615, 604835604, 705641538, 756044505, 1008059340, 1058462307, 1176069230, 1411283076, 1512089010, 1764103845, 2116924614, 2352138460, 3024178020, 3528207690, 4233849228, 5292311535, 7056415380, 10584623070, 21169246140]

約数ペア:

[(1, 21169246140), (2, 10584623070), (3, 7056415380), (4, 5292311535), (5, 4233849228), (6, 3528207690), (7, 3024178020), (9, 2352138460), (10, 2116924614), (12, 1764103845), (14, 1512089010), (15, 1411283076), (18, 1176069230), (20, 1058462307), (21, 1008059340), (28, 756044505), (30, 705641538), (35, 604835604), (36, 588034615), (42, 504029670), (45, 470427692), (60, 352820769), (63, 336019780), (70, 302417802), (84, 252014835), (90, 235213846), (105, 201611868), (126, 168009890), (140, 151208901), (180, 117606923), (210, 100805934), (252, 84004945), (315, 67203956), (420, 50402967), (630, 33601978), (1260, 16800989)]