21205206

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1282

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32017194

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 29, 33, 54, 58, 66, 87, 99, 174, 198, 261, 297, 319, 522, 594, 638, 783, 957, 1231, 1566, 1914, 2462, 2871, 3693, 5742, 7386, 8613, 11079, 13541, 17226, 22158, 27082, 33237, 35699, 40623, 66474, 71398, 81246, 107097, 121869, 214194, 243738, 321291, 365607, 392689, 642582, 731214, 785378, 963873, 1178067, 1927746, 2356134, 3534201, 7068402, 10602603, 21205206]

約数ペア:

[(1, 21205206), (2, 10602603), (3, 7068402), (6, 3534201), (9, 2356134), (11, 1927746), (18, 1178067), (22, 963873), (27, 785378), (29, 731214), (33, 642582), (54, 392689), (58, 365607), (66, 321291), (87, 243738), (99, 214194), (174, 121869), (198, 107097), (261, 81246), (297, 71398), (319, 66474), (522, 40623), (594, 35699), (638, 33237), (783, 27082), (957, 22158), (1231, 17226), (1566, 13541), (1914, 11079), (2462, 8613), (2871, 7386), (3693, 5742)]