21483465

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 36274176

約数和(自身を除く): 14790711

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 983, 1457, 2949, 4371, 4915, 7285, 14745, 21855, 30473, 46201, 91419, 138603, 152365, 231005, 457095, 693015, 1432231, 4296693, 7161155, 21483465]

約数ペア:

[(1, 21483465), (3, 7161155), (5, 4296693), (15, 1432231), (31, 693015), (47, 457095), (93, 231005), (141, 152365), (155, 138603), (235, 91419), (465, 46201), (705, 30473), (983, 21855), (1457, 14745), (2949, 7285), (4371, 4915)]