21035329756

素因数分解:

$2^2\times 7^3\times {\mathrm{383}}^1\times {\mathrm{40031}}^1$

素因数の和:40439

約数の個数: 48

約数和(自身を含む): 43042406400

約数和(自身を除く): 22007076644

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 383, 686, 766, 1372, 1532, 2681, 5362, 10724, 18767, 37534, 40031, 75068, 80062, 131369, 160124, 262738, 280217, 525476, 560434, 1120868, 1961519, 3923038, 7846076, 13730633, 15331873, 27461266, 30663746, 54922532, 61327492, 107323111, 214646222, 429292444, 751261777, 1502523554, 3005047108, 5258832439, 10517664878, 21035329756]

約数ペア:

[(1, 21035329756), (2, 10517664878), (4, 5258832439), (7, 3005047108), (14, 1502523554), (28, 751261777), (49, 429292444), (98, 214646222), (196, 107323111), (343, 61327492), (383, 54922532), (686, 30663746), (766, 27461266), (1372, 15331873), (1532, 13730633), (2681, 7846076), (5362, 3923038), (10724, 1961519), (18767, 1120868), (37534, 560434), (40031, 525476), (75068, 280217), (80062, 262738), (131369, 160124)]