21603708

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 108

約数和(自身を含む): 65439192

約数和(自身を除く): 43835484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 49, 63, 74, 84, 98, 111, 126, 147, 148, 196, 222, 252, 259, 294, 331, 333, 441, 444, 518, 588, 662, 666, 777, 882, 993, 1036, 1324, 1332, 1554, 1764, 1813, 1986, 2317, 2331, 2979, 3108, 3626, 3972, 4634, 4662, 5439, 5958, 6951, 7252, 9268, 9324, 10878, 11916, 12247, 13902, 16219, 16317, 20853, 21756, 24494, 27804, 32438, 32634, 36741, 41706, 48657, 48988, 64876, 65268, 73482, 83412, 85729, 97314, 110223, 145971, 146964, 171458, 194628, 220446, 257187, 291942, 342916, 440892, 514374, 583884, 600103, 771561, 1028748, 1200206, 1543122, 1800309, 2400412, 3086244, 3600618, 5400927, 7201236, 10801854, 21603708]

約数ペア:

[(1, 21603708), (2, 10801854), (3, 7201236), (4, 5400927), (6, 3600618), (7, 3086244), (9, 2400412), (12, 1800309), (14, 1543122), (18, 1200206), (21, 1028748), (28, 771561), (36, 600103), (37, 583884), (42, 514374), (49, 440892), (63, 342916), (74, 291942), (84, 257187), (98, 220446), (111, 194628), (126, 171458), (147, 146964), (148, 145971), (196, 110223), (222, 97314), (252, 85729), (259, 83412), (294, 73482), (331, 65268), (333, 64876), (441, 48988), (444, 48657), (518, 41706), (588, 36741), (662, 32634), (666, 32438), (777, 27804), (882, 24494), (993, 21756), (1036, 20853), (1324, 16317), (1332, 16219), (1554, 13902), (1764, 12247), (1813, 11916), (1986, 10878), (2317, 9324), (2331, 9268), (2979, 7252), (3108, 6951), (3626, 5958), (3972, 5439), (4634, 4662)]