21450996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3701}}^1$

素因数の和:3741

約数の個数: 72

約数和(自身を含む): 64681344

約数和(自身を除く): 43230348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 3701, 5796, 7402, 11103, 14804, 22206, 25907, 33309, 44412, 51814, 66618, 77721, 85123, 103628, 133236, 155442, 170246, 233163, 255369, 310884, 340492, 466326, 510738, 595861, 766107, 932652, 1021476, 1191722, 1532214, 1787583, 2383444, 3064428, 3575166, 5362749, 7150332, 10725498, 21450996]

約数ペア:

[(1, 21450996), (2, 10725498), (3, 7150332), (4, 5362749), (6, 3575166), (7, 3064428), (9, 2383444), (12, 1787583), (14, 1532214), (18, 1191722), (21, 1021476), (23, 932652), (28, 766107), (36, 595861), (42, 510738), (46, 466326), (63, 340492), (69, 310884), (84, 255369), (92, 233163), (126, 170246), (138, 155442), (161, 133236), (207, 103628), (252, 85123), (276, 77721), (322, 66618), (414, 51814), (483, 44412), (644, 33309), (828, 25907), (966, 22206), (1449, 14804), (1932, 11103), (2898, 7402), (3701, 5796)]