21619464

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 34505976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 127, 164, 173, 246, 254, 328, 346, 381, 492, 508, 519, 692, 762, 984, 1016, 1038, 1384, 1524, 2076, 3048, 4152, 5207, 7093, 10414, 14186, 15621, 20828, 21279, 21971, 28372, 31242, 41656, 42558, 43942, 56744, 62484, 65913, 85116, 87884, 124968, 131826, 170232, 175768, 263652, 527304, 900811, 1801622, 2702433, 3603244, 5404866, 7206488, 10809732, 21619464]

約数ペア:

[(1, 21619464), (2, 10809732), (3, 7206488), (4, 5404866), (6, 3603244), (8, 2702433), (12, 1801622), (24, 900811), (41, 527304), (82, 263652), (123, 175768), (127, 170232), (164, 131826), (173, 124968), (246, 87884), (254, 85116), (328, 65913), (346, 62484), (381, 56744), (492, 43942), (508, 42558), (519, 41656), (692, 31242), (762, 28372), (984, 21971), (1016, 21279), (1038, 20828), (1384, 15621), (1524, 14186), (2076, 10414), (3048, 7093), (4152, 5207)]