21159768

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:989

約数の個数: 96

約数和(自身を含む): 64843200

約数和(自身を除く): 43683432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 49, 56, 57, 76, 84, 98, 114, 133, 147, 152, 168, 196, 228, 266, 294, 392, 399, 456, 532, 588, 798, 931, 947, 1064, 1176, 1596, 1862, 1894, 2793, 2841, 3192, 3724, 3788, 5586, 5682, 6629, 7448, 7576, 11172, 11364, 13258, 17993, 19887, 22344, 22728, 26516, 35986, 39774, 46403, 53032, 53979, 71972, 79548, 92806, 107958, 125951, 139209, 143944, 159096, 185612, 215916, 251902, 278418, 371224, 377853, 431832, 503804, 556836, 755706, 881657, 1007608, 1113672, 1511412, 1763314, 2644971, 3022824, 3526628, 5289942, 7053256, 10579884, 21159768]

約数ペア:

[(1, 21159768), (2, 10579884), (3, 7053256), (4, 5289942), (6, 3526628), (7, 3022824), (8, 2644971), (12, 1763314), (14, 1511412), (19, 1113672), (21, 1007608), (24, 881657), (28, 755706), (38, 556836), (42, 503804), (49, 431832), (56, 377853), (57, 371224), (76, 278418), (84, 251902), (98, 215916), (114, 185612), (133, 159096), (147, 143944), (152, 139209), (168, 125951), (196, 107958), (228, 92806), (266, 79548), (294, 71972), (392, 53979), (399, 53032), (456, 46403), (532, 39774), (588, 35986), (798, 26516), (931, 22728), (947, 22344), (1064, 19887), (1176, 17993), (1596, 13258), (1862, 11364), (1894, 11172), (2793, 7576), (2841, 7448), (3192, 6629), (3724, 5682), (3788, 5586)]