21569304

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 56816640

約数和(自身を除く): 35247336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 53, 62, 93, 106, 124, 159, 186, 212, 248, 318, 372, 424, 547, 636, 744, 1094, 1272, 1641, 1643, 2188, 3282, 3286, 4376, 4929, 6564, 6572, 9858, 13128, 13144, 16957, 19716, 28991, 33914, 39432, 50871, 57982, 67828, 86973, 101742, 115964, 135656, 173946, 203484, 231928, 347892, 406968, 695784, 898721, 1797442, 2696163, 3594884, 5392326, 7189768, 10784652, 21569304]

約数ペア:

[(1, 21569304), (2, 10784652), (3, 7189768), (4, 5392326), (6, 3594884), (8, 2696163), (12, 1797442), (24, 898721), (31, 695784), (53, 406968), (62, 347892), (93, 231928), (106, 203484), (124, 173946), (159, 135656), (186, 115964), (212, 101742), (248, 86973), (318, 67828), (372, 57982), (424, 50871), (547, 39432), (636, 33914), (744, 28991), (1094, 19716), (1272, 16957), (1641, 13144), (1643, 13128), (2188, 9858), (3282, 6572), (3286, 6564), (4376, 4929)]