21777240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1049}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 65772000

約数和(自身を除く): 43994760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 1038, 1049, 1384, 1730, 2076, 2098, 2595, 3147, 3460, 4152, 4196, 5190, 5245, 6294, 6920, 8392, 10380, 10490, 12588, 15735, 20760, 20980, 25176, 31470, 41960, 62940, 125880, 181477, 362954, 544431, 725908, 907385, 1088862, 1451816, 1814770, 2177724, 2722155, 3629540, 4355448, 5444310, 7259080, 10888620, 21777240]

約数ペア:

[(1, 21777240), (2, 10888620), (3, 7259080), (4, 5444310), (5, 4355448), (6, 3629540), (8, 2722155), (10, 2177724), (12, 1814770), (15, 1451816), (20, 1088862), (24, 907385), (30, 725908), (40, 544431), (60, 362954), (120, 181477), (173, 125880), (346, 62940), (519, 41960), (692, 31470), (865, 25176), (1038, 20980), (1049, 20760), (1384, 15735), (1730, 12588), (2076, 10490), (2098, 10380), (2595, 8392), (3147, 6920), (3460, 6294), (4152, 5245), (4196, 5190)]