21536892

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1$

素因数の和:2747

約数の個数: 72

約数和(自身を含む): 62099856

約数和(自身を除く): 40562964

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, 2707, 3978, 5414, 7956, 8121, 10828, 16242, 24363, 32484, 35191, 46019, 48726, 70382, 92038, 97452, 105573, 138057, 140764, 184076, 211146, 276114, 316719, 414171, 422292, 552228, 598247, 633438, 828342, 1196494, 1266876, 1656684, 1794741, 2392988, 3589482, 5384223, 7178964, 10768446, 21536892]

約数ペア:

[(1, 21536892), (2, 10768446), (3, 7178964), (4, 5384223), (6, 3589482), (9, 2392988), (12, 1794741), (13, 1656684), (17, 1266876), (18, 1196494), (26, 828342), (34, 633438), (36, 598247), (39, 552228), (51, 422292), (52, 414171), (68, 316719), (78, 276114), (102, 211146), (117, 184076), (153, 140764), (156, 138057), (204, 105573), (221, 97452), (234, 92038), (306, 70382), (442, 48726), (468, 46019), (612, 35191), (663, 32484), (884, 24363), (1326, 16242), (1989, 10828), (2652, 8121), (2707, 7956), (3978, 5414)]