21849840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30347}}^1$

素因数の和:30366

約数の個数: 60

約数和(自身を含む): 73381464

約数和(自身を除く): 51531624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30347, 60694, 91041, 121388, 151735, 182082, 242776, 273123, 303470, 364164, 455205, 485552, 546246, 606940, 728328, 910410, 1092492, 1213880, 1365615, 1456656, 1820820, 2184984, 2427760, 2731230, 3641640, 4369968, 5462460, 7283280, 10924920, 21849840]

約数ペア:

[(1, 21849840), (2, 10924920), (3, 7283280), (4, 5462460), (5, 4369968), (6, 3641640), (8, 2731230), (9, 2427760), (10, 2184984), (12, 1820820), (15, 1456656), (16, 1365615), (18, 1213880), (20, 1092492), (24, 910410), (30, 728328), (36, 606940), (40, 546246), (45, 485552), (48, 455205), (60, 364164), (72, 303470), (80, 273123), (90, 242776), (120, 182082), (144, 151735), (180, 121388), (240, 91041), (360, 60694), (720, 30347)]