21687852

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2593}}^1$

素因数の和:2658

約数の個数: 48

約数和(自身を含む): 54909792

約数和(自身を除く): 33221940

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 41, 51, 68, 82, 102, 123, 164, 204, 246, 492, 697, 1394, 2091, 2593, 2788, 4182, 5186, 7779, 8364, 10372, 15558, 31116, 44081, 88162, 106313, 132243, 176324, 212626, 264486, 318939, 425252, 528972, 637878, 1275756, 1807321, 3614642, 5421963, 7229284, 10843926, 21687852]

約数ペア:

[(1, 21687852), (2, 10843926), (3, 7229284), (4, 5421963), (6, 3614642), (12, 1807321), (17, 1275756), (34, 637878), (41, 528972), (51, 425252), (68, 318939), (82, 264486), (102, 212626), (123, 176324), (164, 132243), (204, 106313), (246, 88162), (492, 44081), (697, 31116), (1394, 15558), (2091, 10372), (2593, 8364), (2788, 7779), (4182, 5186)]