21511458

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2029}}^1$

素因数の和:2087

約数の個数: 48

約数和(自身を含む): 50668800

約数和(自身を除く): 29157342

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 342, 558, 589, 1178, 1767, 2029, 3534, 4058, 5301, 6087, 10602, 12174, 18261, 36522, 38551, 62899, 77102, 115653, 125798, 188697, 231306, 346959, 377394, 566091, 693918, 1132182, 1195081, 2390162, 3585243, 7170486, 10755729, 21511458]

約数ペア:

[(1, 21511458), (2, 10755729), (3, 7170486), (6, 3585243), (9, 2390162), (18, 1195081), (19, 1132182), (31, 693918), (38, 566091), (57, 377394), (62, 346959), (93, 231306), (114, 188697), (171, 125798), (186, 115653), (279, 77102), (342, 62899), (558, 38551), (589, 36522), (1178, 18261), (1767, 12174), (2029, 10602), (3534, 6087), (4058, 5301)]