21224608065

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{123503}}^1$

素因数の和:123603

約数の個数: 64

約数和(自身を含む): 40311705600

約数和(自身を除く): 19087097535

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 67, 95, 135, 171, 201, 285, 335, 513, 603, 855, 1005, 1273, 1809, 2565, 3015, 3819, 6365, 9045, 11457, 19095, 34371, 57285, 123503, 171855, 370509, 617515, 1111527, 1852545, 2346557, 3334581, 5557635, 7039671, 8274701, 11732785, 16672905, 21119013, 24824103, 35198355, 41373505, 63357039, 74472309, 105595065, 124120515, 157219319, 223416927, 316785195, 372361545, 471657957, 786096595, 1117084635, 1414973871, 2358289785, 4244921613, 7074869355, 21224608065]

約数ペア:

[(1, 21224608065), (3, 7074869355), (5, 4244921613), (9, 2358289785), (15, 1414973871), (19, 1117084635), (27, 786096595), (45, 471657957), (57, 372361545), (67, 316785195), (95, 223416927), (135, 157219319), (171, 124120515), (201, 105595065), (285, 74472309), (335, 63357039), (513, 41373505), (603, 35198355), (855, 24824103), (1005, 21119013), (1273, 16672905), (1809, 11732785), (2565, 8274701), (3015, 7039671), (3819, 5557635), (6365, 3334581), (9045, 2346557), (11457, 1852545), (19095, 1111527), (34371, 617515), (57285, 370509), (123503, 171855)]