21596148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2053

約数の個数: 72

約数和(自身を含む): 63871808

約数和(自身を除く): 42275660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 1993, 2709, 3612, 3986, 5418, 5979, 7972, 10836, 11958, 13951, 17937, 23916, 27902, 35874, 41853, 55804, 71748, 83706, 85699, 125559, 167412, 171398, 251118, 257097, 342796, 502236, 514194, 599893, 771291, 1028388, 1199786, 1542582, 1799679, 2399572, 3085164, 3599358, 5399037, 7198716, 10798074, 21596148]

約数ペア:

[(1, 21596148), (2, 10798074), (3, 7198716), (4, 5399037), (6, 3599358), (7, 3085164), (9, 2399572), (12, 1799679), (14, 1542582), (18, 1199786), (21, 1028388), (28, 771291), (36, 599893), (42, 514194), (43, 502236), (63, 342796), (84, 257097), (86, 251118), (126, 171398), (129, 167412), (172, 125559), (252, 85699), (258, 83706), (301, 71748), (387, 55804), (516, 41853), (602, 35874), (774, 27902), (903, 23916), (1204, 17937), (1548, 13951), (1806, 11958), (1993, 10836), (2709, 7972), (3612, 5979), (3986, 5418)]