21034052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 42430080

約数和(自身を除く): 21396028

約数列:

[1, 2, 4, 13, 23, 26, 43, 46, 52, 86, 92, 172, 299, 409, 559, 598, 818, 989, 1118, 1196, 1636, 1978, 2236, 3956, 5317, 9407, 10634, 12857, 17587, 18814, 21268, 25714, 35174, 37628, 51428, 70348, 122291, 228631, 244582, 404501, 457262, 489164, 809002, 914524, 1618004, 5258513, 10517026, 21034052]

約数ペア:

[(1, 21034052), (2, 10517026), (4, 5258513), (13, 1618004), (23, 914524), (26, 809002), (43, 489164), (46, 457262), (52, 404501), (86, 244582), (92, 228631), (172, 122291), (299, 70348), (409, 51428), (559, 37628), (598, 35174), (818, 25714), (989, 21268), (1118, 18814), (1196, 17587), (1636, 12857), (1978, 10634), (2236, 9407), (3956, 5317)]