21143520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14683}}^1$

素因数の和:14704

約数の個数: 72

約数和(自身を含む): 72157176

約数和(自身を除く): 51013656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14683, 29366, 44049, 58732, 73415, 88098, 117464, 132147, 146830, 176196, 220245, 234928, 264294, 293660, 352392, 440490, 469856, 528588, 587320, 660735, 704784, 880980, 1057176, 1174640, 1321470, 1409568, 1761960, 2114352, 2349280, 2642940, 3523920, 4228704, 5285880, 7047840, 10571760, 21143520]

約数ペア:

[(1, 21143520), (2, 10571760), (3, 7047840), (4, 5285880), (5, 4228704), (6, 3523920), (8, 2642940), (9, 2349280), (10, 2114352), (12, 1761960), (15, 1409568), (16, 1321470), (18, 1174640), (20, 1057176), (24, 880980), (30, 704784), (32, 660735), (36, 587320), (40, 528588), (45, 469856), (48, 440490), (60, 352392), (72, 293660), (80, 264294), (90, 234928), (96, 220245), (120, 176196), (144, 146830), (160, 132147), (180, 117464), (240, 88098), (288, 73415), (360, 58732), (480, 44049), (720, 29366), (1440, 14683)]