21276200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 56916000

約数和(自身を除く): 35639800

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 152, 190, 200, 209, 220, 275, 380, 418, 440, 475, 509, 550, 760, 836, 950, 1018, 1045, 1100, 1672, 1900, 2036, 2090, 2200, 2545, 3800, 4072, 4180, 5090, 5225, 5599, 8360, 9671, 10180, 10450, 11198, 12725, 19342, 20360, 20900, 22396, 25450, 27995, 38684, 41800, 44792, 48355, 50900, 55990, 77368, 96710, 101800, 106381, 111980, 139975, 193420, 212762, 223960, 241775, 279950, 386840, 425524, 483550, 531905, 559900, 851048, 967100, 1063810, 1119800, 1934200, 2127620, 2659525, 4255240, 5319050, 10638100, 21276200]

約数ペア:

[(1, 21276200), (2, 10638100), (4, 5319050), (5, 4255240), (8, 2659525), (10, 2127620), (11, 1934200), (19, 1119800), (20, 1063810), (22, 967100), (25, 851048), (38, 559900), (40, 531905), (44, 483550), (50, 425524), (55, 386840), (76, 279950), (88, 241775), (95, 223960), (100, 212762), (110, 193420), (152, 139975), (190, 111980), (200, 106381), (209, 101800), (220, 96710), (275, 77368), (380, 55990), (418, 50900), (440, 48355), (475, 44792), (509, 41800), (550, 38684), (760, 27995), (836, 25450), (950, 22396), (1018, 20900), (1045, 20360), (1100, 19342), (1672, 12725), (1900, 11198), (2036, 10450), (2090, 10180), (2200, 9671), (2545, 8360), (3800, 5599), (4072, 5225), (4180, 5090)]