21139092

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2657}}^1$

素因数の和:2697

約数の個数: 72

約数和(自身を含む): 60953256

約数和(自身を除く): 39814164

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 2657, 3978, 5314, 7956, 7971, 10628, 15942, 23913, 31884, 34541, 45169, 47826, 69082, 90338, 95652, 103623, 135507, 138164, 180676, 207246, 271014, 310869, 406521, 414492, 542028, 587197, 621738, 813042, 1174394, 1243476, 1626084, 1761591, 2348788, 3523182, 5284773, 7046364, 10569546, 21139092]

約数ペア:

[(1, 21139092), (2, 10569546), (3, 7046364), (4, 5284773), (6, 3523182), (9, 2348788), (12, 1761591), (13, 1626084), (17, 1243476), (18, 1174394), (26, 813042), (34, 621738), (36, 587197), (39, 542028), (51, 414492), (52, 406521), (68, 310869), (78, 271014), (102, 207246), (117, 180676), (153, 138164), (156, 135507), (204, 103623), (221, 95652), (234, 90338), (306, 69082), (442, 47826), (468, 45169), (612, 34541), (663, 31884), (884, 23913), (1326, 15942), (1989, 10628), (2652, 7971), (2657, 7956), (3978, 5314)]