21594080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{467}}^1$

素因数の和:516

約数の個数: 72

約数和(自身を含む): 54309528

約数和(自身を除く): 32715448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 467, 544, 578, 680, 934, 1156, 1360, 1445, 1868, 2312, 2335, 2720, 2890, 3736, 4624, 4670, 5780, 7472, 7939, 9248, 9340, 11560, 14944, 15878, 18680, 23120, 31756, 37360, 39695, 46240, 63512, 74720, 79390, 127024, 134963, 158780, 254048, 269926, 317560, 539852, 635120, 674815, 1079704, 1270240, 1349630, 2159408, 2699260, 4318816, 5398520, 10797040, 21594080]

約数ペア:

[(1, 21594080), (2, 10797040), (4, 5398520), (5, 4318816), (8, 2699260), (10, 2159408), (16, 1349630), (17, 1270240), (20, 1079704), (32, 674815), (34, 635120), (40, 539852), (68, 317560), (80, 269926), (85, 254048), (136, 158780), (160, 134963), (170, 127024), (272, 79390), (289, 74720), (340, 63512), (467, 46240), (544, 39695), (578, 37360), (680, 31756), (934, 23120), (1156, 18680), (1360, 15878), (1445, 14944), (1868, 11560), (2312, 9340), (2335, 9248), (2720, 7939), (2890, 7472), (3736, 5780), (4624, 4670)]