21152803740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18555091}}^1$

素因数の和:18555122

約数の個数: 48

約数和(自身を含む): 62345109120

約数和(自身を除く): 41192305380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18555091, 37110182, 55665273, 74220364, 92775455, 111330546, 185550910, 222661092, 278326365, 352546729, 371101820, 556652730, 705093458, 1057640187, 1113305460, 1410186916, 1762733645, 2115280374, 3525467290, 4230560748, 5288200935, 7050934580, 10576401870, 21152803740]

約数ペア:

[(1, 21152803740), (2, 10576401870), (3, 7050934580), (4, 5288200935), (5, 4230560748), (6, 3525467290), (10, 2115280374), (12, 1762733645), (15, 1410186916), (19, 1113305460), (20, 1057640187), (30, 705093458), (38, 556652730), (57, 371101820), (60, 352546729), (76, 278326365), (95, 222661092), (114, 185550910), (190, 111330546), (228, 92775455), (285, 74220364), (380, 55665273), (570, 37110182), (1140, 18555091)]