21551149059

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{1427}}^1$

素因数の和:1880

約数の個数: 64

約数和(自身を含む): 33295933440

約数和(自身を除く): 11744784381

約数列:

[1, 3, 11, 29, 33, 43, 87, 129, 319, 367, 473, 957, 1101, 1247, 1419, 1427, 3741, 4037, 4281, 10643, 12111, 13717, 15697, 15781, 31929, 41151, 41383, 47091, 47343, 61361, 117073, 124149, 173591, 184083, 351219, 455213, 457649, 520773, 523709, 674971, 1365639, 1372947, 1571127, 1779469, 2024913, 5034139, 5338407, 5760799, 15102417, 15187561, 17282397, 19574159, 22519487, 45562683, 58722477, 67558461, 167063171, 247714357, 501189513, 653065123, 743143071, 1959195369, 7183716353, 21551149059]

約数ペア:

[(1, 21551149059), (3, 7183716353), (11, 1959195369), (29, 743143071), (33, 653065123), (43, 501189513), (87, 247714357), (129, 167063171), (319, 67558461), (367, 58722477), (473, 45562683), (957, 22519487), (1101, 19574159), (1247, 17282397), (1419, 15187561), (1427, 15102417), (3741, 5760799), (4037, 5338407), (4281, 5034139), (10643, 2024913), (12111, 1779469), (13717, 1571127), (15697, 1372947), (15781, 1365639), (31929, 674971), (41151, 523709), (41383, 520773), (47091, 457649), (47343, 455213), (61361, 351219), (117073, 184083), (124149, 173591)]