21366120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{677}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 64437120

約数和(自身を除く): 43071000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 677, 789, 1052, 1315, 1354, 1578, 2031, 2104, 2630, 2708, 3156, 3385, 3945, 4062, 5260, 5416, 6312, 6770, 7890, 8124, 10155, 10520, 13540, 15780, 16248, 20310, 27080, 31560, 40620, 81240, 178051, 356102, 534153, 712204, 890255, 1068306, 1424408, 1780510, 2136612, 2670765, 3561020, 4273224, 5341530, 7122040, 10683060, 21366120]

約数ペア:

[(1, 21366120), (2, 10683060), (3, 7122040), (4, 5341530), (5, 4273224), (6, 3561020), (8, 2670765), (10, 2136612), (12, 1780510), (15, 1424408), (20, 1068306), (24, 890255), (30, 712204), (40, 534153), (60, 356102), (120, 178051), (263, 81240), (526, 40620), (677, 31560), (789, 27080), (1052, 20310), (1315, 16248), (1354, 15780), (1578, 13540), (2031, 10520), (2104, 10155), (2630, 8124), (2708, 7890), (3156, 6770), (3385, 6312), (3945, 5416), (4062, 5260)]