21034140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18451}}^1$

素因数の和:18482

約数の個数: 48

約数和(自身を含む): 61998720

約数和(自身を除く): 40964580

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, 18451, 36902, 55353, 73804, 92255, 110706, 184510, 221412, 276765, 350569, 369020, 553530, 701138, 1051707, 1107060, 1402276, 1752845, 2103414, 3505690, 4206828, 5258535, 7011380, 10517070, 21034140]

約数ペア:

[(1, 21034140), (2, 10517070), (3, 7011380), (4, 5258535), (5, 4206828), (6, 3505690), (10, 2103414), (12, 1752845), (15, 1402276), (19, 1107060), (20, 1051707), (30, 701138), (38, 553530), (57, 369020), (60, 350569), (76, 276765), (95, 221412), (114, 184510), (190, 110706), (228, 92255), (285, 73804), (380, 55353), (570, 36902), (1140, 18451)]