21103236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 69608448

約数和(自身を除く): 48505212

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 23, 28, 33, 36, 42, 44, 46, 63, 66, 69, 77, 84, 92, 99, 126, 132, 138, 154, 161, 198, 207, 231, 252, 253, 276, 308, 322, 331, 396, 414, 462, 483, 506, 644, 662, 693, 759, 828, 924, 966, 993, 1012, 1324, 1386, 1449, 1518, 1771, 1932, 1986, 2277, 2317, 2772, 2898, 2979, 3036, 3542, 3641, 3972, 4554, 4634, 5313, 5796, 5958, 6951, 7084, 7282, 7613, 9108, 9268, 10626, 10923, 11916, 13902, 14564, 15226, 15939, 20853, 21252, 21846, 22839, 25487, 27804, 30452, 31878, 32769, 41706, 43692, 45678, 50974, 53291, 63756, 65538, 68517, 76461, 83412, 83743, 91356, 101948, 106582, 131076, 137034, 152922, 159873, 167486, 213164, 229383, 251229, 274068, 305844, 319746, 334972, 458766, 479619, 502458, 586201, 639492, 753687, 917532, 959238, 1004916, 1172402, 1507374, 1758603, 1918476, 2344804, 3014748, 3517206, 5275809, 7034412, 10551618, 21103236]

約数ペア:

[(1, 21103236), (2, 10551618), (3, 7034412), (4, 5275809), (6, 3517206), (7, 3014748), (9, 2344804), (11, 1918476), (12, 1758603), (14, 1507374), (18, 1172402), (21, 1004916), (22, 959238), (23, 917532), (28, 753687), (33, 639492), (36, 586201), (42, 502458), (44, 479619), (46, 458766), (63, 334972), (66, 319746), (69, 305844), (77, 274068), (84, 251229), (92, 229383), (99, 213164), (126, 167486), (132, 159873), (138, 152922), (154, 137034), (161, 131076), (198, 106582), (207, 101948), (231, 91356), (252, 83743), (253, 83412), (276, 76461), (308, 68517), (322, 65538), (331, 63756), (396, 53291), (414, 50974), (462, 45678), (483, 43692), (506, 41706), (644, 32769), (662, 31878), (693, 30452), (759, 27804), (828, 25487), (924, 22839), (966, 21846), (993, 21252), (1012, 20853), (1324, 15939), (1386, 15226), (1449, 14564), (1518, 13902), (1771, 11916), (1932, 10923), (1986, 10626), (2277, 9268), (2317, 9108), (2772, 7613), (2898, 7282), (2979, 7084), (3036, 6951), (3542, 5958), (3641, 5796), (3972, 5313), (4554, 4634)]