21000833244

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{769}}^1\times {\mathrm{44623}}^1$

素因数の和:45419

約数の個数: 72

約数和(自身を含む): 56282466240

約数和(自身を除く): 35281632996

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 769, 1538, 2307, 3076, 4614, 6921, 9228, 13073, 13842, 26146, 27684, 39219, 44623, 52292, 78438, 89246, 117657, 133869, 156876, 178492, 235314, 267738, 401607, 470628, 535476, 758591, 803214, 1517182, 1606428, 2275773, 3034364, 4551546, 6827319, 9103092, 13654638, 27309276, 34315087, 68630174, 102945261, 137260348, 205890522, 308835783, 411781044, 583356479, 617671566, 1166712958, 1235343132, 1750069437, 2333425916, 3500138874, 5250208311, 7000277748, 10500416622, 21000833244]

約数ペア:

[(1, 21000833244), (2, 10500416622), (3, 7000277748), (4, 5250208311), (6, 3500138874), (9, 2333425916), (12, 1750069437), (17, 1235343132), (18, 1166712958), (34, 617671566), (36, 583356479), (51, 411781044), (68, 308835783), (102, 205890522), (153, 137260348), (204, 102945261), (306, 68630174), (612, 34315087), (769, 27309276), (1538, 13654638), (2307, 9103092), (3076, 6827319), (4614, 4551546), (6921, 3034364), (9228, 2275773), (13073, 1606428), (13842, 1517182), (26146, 803214), (27684, 758591), (39219, 535476), (44623, 470628), (52292, 401607), (78438, 267738), (89246, 235314), (117657, 178492), (133869, 156876)]