21992512485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{55967}}^1$

素因数の和:56082

約数の個数: 64

約数和(自身を含む): 39458783232

約数和(自身を除く): 17466270747

約数列:

[1, 3, 5, 15, 17, 23, 51, 67, 69, 85, 115, 201, 255, 335, 345, 391, 1005, 1139, 1173, 1541, 1955, 3417, 4623, 5695, 5865, 7705, 17085, 23115, 26197, 55967, 78591, 130985, 167901, 279835, 392955, 839505, 951439, 1287241, 2854317, 3749789, 3861723, 4757195, 6436205, 11249367, 14271585, 18748945, 19308615, 21883097, 56246835, 63746413, 65649291, 86245147, 109415485, 191239239, 258735441, 318732065, 328246455, 431225735, 956196195, 1293677205, 1466167499, 4398502497, 7330837495, 21992512485]

約数ペア:

[(1, 21992512485), (3, 7330837495), (5, 4398502497), (15, 1466167499), (17, 1293677205), (23, 956196195), (51, 431225735), (67, 328246455), (69, 318732065), (85, 258735441), (115, 191239239), (201, 109415485), (255, 86245147), (335, 65649291), (345, 63746413), (391, 56246835), (1005, 21883097), (1139, 19308615), (1173, 18748945), (1541, 14271585), (1955, 11249367), (3417, 6436205), (4623, 4757195), (5695, 3861723), (5865, 3749789), (7705, 2854317), (17085, 1287241), (23115, 951439), (26197, 839505), (55967, 392955), (78591, 279835), (130985, 167901)]