21477990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1553}}^1$

素因数の和:2024

約数の個数: 32

約数和(自身を含む): 51692256

約数和(自身を除く): 30214266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 461, 922, 1383, 1553, 2305, 2766, 3106, 4610, 4659, 6915, 7765, 9318, 13830, 15530, 23295, 46590, 715933, 1431866, 2147799, 3579665, 4295598, 7159330, 10738995, 21477990]

約数ペア:

[(1, 21477990), (2, 10738995), (3, 7159330), (5, 4295598), (6, 3579665), (10, 2147799), (15, 1431866), (30, 715933), (461, 46590), (922, 23295), (1383, 15530), (1553, 13830), (2305, 9318), (2766, 7765), (3106, 6915), (4610, 4659)]