21315654

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1699}}^1$

素因数の和:1765

約数の個数: 48

約数和(自身を含む): 50122800

約数和(自身を除く): 28807146

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 41, 51, 82, 102, 123, 153, 246, 306, 369, 697, 738, 1394, 1699, 2091, 3398, 4182, 5097, 6273, 10194, 12546, 15291, 28883, 30582, 57766, 69659, 86649, 139318, 173298, 208977, 259947, 417954, 519894, 626931, 1184203, 1253862, 2368406, 3552609, 7105218, 10657827, 21315654]

約数ペア:

[(1, 21315654), (2, 10657827), (3, 7105218), (6, 3552609), (9, 2368406), (17, 1253862), (18, 1184203), (34, 626931), (41, 519894), (51, 417954), (82, 259947), (102, 208977), (123, 173298), (153, 139318), (246, 86649), (306, 69659), (369, 57766), (697, 30582), (738, 28883), (1394, 15291), (1699, 12546), (2091, 10194), (3398, 6273), (4182, 5097)]