21949636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 43747200

約数和(自身を除く): 21797564

約数列:

[1, 2, 4, 19, 23, 29, 38, 46, 58, 76, 92, 116, 433, 437, 551, 667, 866, 874, 1102, 1334, 1732, 1748, 2204, 2668, 8227, 9959, 12557, 12673, 16454, 19918, 25114, 25346, 32908, 39836, 50228, 50692, 189221, 238583, 288811, 378442, 477166, 577622, 756884, 954332, 1155244, 5487409, 10974818, 21949636]

約数ペア:

[(1, 21949636), (2, 10974818), (4, 5487409), (19, 1155244), (23, 954332), (29, 756884), (38, 577622), (46, 477166), (58, 378442), (76, 288811), (92, 238583), (116, 189221), (433, 50692), (437, 50228), (551, 39836), (667, 32908), (866, 25346), (874, 25114), (1102, 19918), (1334, 16454), (1732, 12673), (1748, 12557), (2204, 9959), (2668, 8227)]