21277740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 65834496

約数和(自身を除く): 44556756

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 103, 110, 132, 165, 206, 220, 309, 313, 330, 412, 515, 618, 626, 660, 939, 1030, 1133, 1236, 1252, 1545, 1565, 1878, 2060, 2266, 3090, 3130, 3399, 3443, 3756, 4532, 4695, 5665, 6180, 6260, 6798, 6886, 9390, 10329, 11330, 13596, 13772, 16995, 17215, 18780, 20658, 22660, 32239, 33990, 34430, 41316, 51645, 64478, 67980, 68860, 96717, 103290, 128956, 161195, 193434, 206580, 322390, 354629, 386868, 483585, 644780, 709258, 967170, 1063887, 1418516, 1773145, 1934340, 2127774, 3546290, 4255548, 5319435, 7092580, 10638870, 21277740]

約数ペア:

[(1, 21277740), (2, 10638870), (3, 7092580), (4, 5319435), (5, 4255548), (6, 3546290), (10, 2127774), (11, 1934340), (12, 1773145), (15, 1418516), (20, 1063887), (22, 967170), (30, 709258), (33, 644780), (44, 483585), (55, 386868), (60, 354629), (66, 322390), (103, 206580), (110, 193434), (132, 161195), (165, 128956), (206, 103290), (220, 96717), (309, 68860), (313, 67980), (330, 64478), (412, 51645), (515, 41316), (618, 34430), (626, 33990), (660, 32239), (939, 22660), (1030, 20658), (1133, 18780), (1236, 17215), (1252, 16995), (1545, 13772), (1565, 13596), (1878, 11330), (2060, 10329), (2266, 9390), (3090, 6886), (3130, 6798), (3399, 6260), (3443, 6180), (3756, 5665), (4532, 4695)]