21574804900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{52583}}^1$

素因数の和:52981

約数の個数: 72

約数和(自身を含む): 51211347264

約数和(自身を除く): 29636542364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 373, 550, 746, 1100, 1492, 1865, 3730, 4103, 7460, 8206, 9325, 16412, 18650, 20515, 37300, 41030, 52583, 82060, 102575, 105166, 205150, 210332, 262915, 410300, 525830, 578413, 1051660, 1156826, 1314575, 2313652, 2629150, 2892065, 5258300, 5784130, 11568260, 14460325, 19613459, 28920650, 39226918, 57841300, 78453836, 98067295, 196134590, 215748049, 392269180, 431496098, 490336475, 862992196, 980672950, 1078740245, 1961345900, 2157480490, 4314960980, 5393701225, 10787402450, 21574804900]

約数ペア:

[(1, 21574804900), (2, 10787402450), (4, 5393701225), (5, 4314960980), (10, 2157480490), (11, 1961345900), (20, 1078740245), (22, 980672950), (25, 862992196), (44, 490336475), (50, 431496098), (55, 392269180), (100, 215748049), (110, 196134590), (220, 98067295), (275, 78453836), (373, 57841300), (550, 39226918), (746, 28920650), (1100, 19613459), (1492, 14460325), (1865, 11568260), (3730, 5784130), (4103, 5258300), (7460, 2892065), (8206, 2629150), (9325, 2313652), (16412, 1314575), (18650, 1156826), (20515, 1051660), (37300, 578413), (41030, 525830), (52583, 410300), (82060, 262915), (102575, 210332), (105166, 205150)]