21573396

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1541

約数の個数: 72

約数和(自身を含む): 60662784

約数和(自身を除く): 39089388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1487, 1612, 2418, 2974, 3627, 4461, 4836, 5948, 7254, 8922, 13383, 14508, 17844, 19331, 26766, 38662, 46097, 53532, 57993, 77324, 92194, 115986, 138291, 173979, 184388, 231972, 276582, 347958, 414873, 553164, 599261, 695916, 829746, 1198522, 1659492, 1797783, 2397044, 3595566, 5393349, 7191132, 10786698, 21573396]

約数ペア:

[(1, 21573396), (2, 10786698), (3, 7191132), (4, 5393349), (6, 3595566), (9, 2397044), (12, 1797783), (13, 1659492), (18, 1198522), (26, 829746), (31, 695916), (36, 599261), (39, 553164), (52, 414873), (62, 347958), (78, 276582), (93, 231972), (117, 184388), (124, 173979), (156, 138291), (186, 115986), (234, 92194), (279, 77324), (372, 57993), (403, 53532), (468, 46097), (558, 38662), (806, 26766), (1116, 19331), (1209, 17844), (1487, 14508), (1612, 13383), (2418, 8922), (2974, 7254), (3627, 5948), (4461, 4836)]