21014796

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 55368432

約数和(自身を除く): 34353636

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 82, 121, 123, 132, 164, 242, 246, 353, 363, 451, 484, 492, 706, 726, 902, 1059, 1353, 1412, 1452, 1804, 2118, 2706, 3883, 4236, 4961, 5412, 7766, 9922, 11649, 14473, 14883, 15532, 19844, 23298, 28946, 29766, 42713, 43419, 46596, 57892, 59532, 85426, 86838, 128139, 159203, 170852, 173676, 256278, 318406, 477609, 512556, 636812, 955218, 1751233, 1910436, 3502466, 5253699, 7004932, 10507398, 21014796]

約数ペア:

[(1, 21014796), (2, 10507398), (3, 7004932), (4, 5253699), (6, 3502466), (11, 1910436), (12, 1751233), (22, 955218), (33, 636812), (41, 512556), (44, 477609), (66, 318406), (82, 256278), (121, 173676), (123, 170852), (132, 159203), (164, 128139), (242, 86838), (246, 85426), (353, 59532), (363, 57892), (451, 46596), (484, 43419), (492, 42713), (706, 29766), (726, 28946), (902, 23298), (1059, 19844), (1353, 15532), (1412, 14883), (1452, 14473), (1804, 11649), (2118, 9922), (2706, 7766), (3883, 5412), (4236, 4961)]