21154080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44071}}^1$

素因数の和:44089

約数の個数: 48

約数和(自身を含む): 66636864

約数和(自身を除く): 45482784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44071, 88142, 132213, 176284, 220355, 264426, 352568, 440710, 528852, 661065, 705136, 881420, 1057704, 1322130, 1410272, 1762840, 2115408, 2644260, 3525680, 4230816, 5288520, 7051360, 10577040, 21154080]

約数ペア:

[(1, 21154080), (2, 10577040), (3, 7051360), (4, 5288520), (5, 4230816), (6, 3525680), (8, 2644260), (10, 2115408), (12, 1762840), (15, 1410272), (16, 1322130), (20, 1057704), (24, 881420), (30, 705136), (32, 661065), (40, 528852), (48, 440710), (60, 352568), (80, 264426), (96, 220355), (120, 176284), (160, 132213), (240, 88142), (480, 44071)]