21895320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10733}}^1$

素因数の和:10764

約数の個数: 64

約数和(自身を含む): 69556320

約数和(自身を除く): 47661000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10733, 21466, 32199, 42932, 53665, 64398, 85864, 107330, 128796, 160995, 182461, 214660, 257592, 321990, 364922, 429320, 547383, 643980, 729844, 912305, 1094766, 1287960, 1459688, 1824610, 2189532, 2736915, 3649220, 4379064, 5473830, 7298440, 10947660, 21895320]

約数ペア:

[(1, 21895320), (2, 10947660), (3, 7298440), (4, 5473830), (5, 4379064), (6, 3649220), (8, 2736915), (10, 2189532), (12, 1824610), (15, 1459688), (17, 1287960), (20, 1094766), (24, 912305), (30, 729844), (34, 643980), (40, 547383), (51, 429320), (60, 364922), (68, 321990), (85, 257592), (102, 214660), (120, 182461), (136, 160995), (170, 128796), (204, 107330), (255, 85864), (340, 64398), (408, 53665), (510, 42932), (680, 32199), (1020, 21466), (2040, 10733)]