21800844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1259}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 60999120

約数和(自身を除く): 39198276

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1259, 1332, 1443, 1924, 2518, 2886, 3777, 4329, 5036, 5772, 7554, 8658, 11331, 15108, 16367, 17316, 22662, 32734, 45324, 46583, 49101, 65468, 93166, 98202, 139749, 147303, 186332, 196404, 279498, 294606, 419247, 558996, 589212, 605579, 838494, 1211158, 1676988, 1816737, 2422316, 3633474, 5450211, 7266948, 10900422, 21800844]

約数ペア:

[(1, 21800844), (2, 10900422), (3, 7266948), (4, 5450211), (6, 3633474), (9, 2422316), (12, 1816737), (13, 1676988), (18, 1211158), (26, 838494), (36, 605579), (37, 589212), (39, 558996), (52, 419247), (74, 294606), (78, 279498), (111, 196404), (117, 186332), (148, 147303), (156, 139749), (222, 98202), (234, 93166), (333, 65468), (444, 49101), (468, 46583), (481, 45324), (666, 32734), (962, 22662), (1259, 17316), (1332, 16367), (1443, 15108), (1924, 11331), (2518, 8658), (2886, 7554), (3777, 5772), (4329, 5036)]