21000337424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{22543}}^1$

素因数の和:22708

約数の個数: 80

約数和(自身を含む): 45621841920

約数和(自身を除く): 24621504496

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 79, 88, 134, 158, 176, 268, 316, 536, 632, 737, 869, 1072, 1264, 1474, 1738, 2948, 3476, 5293, 5896, 6952, 10586, 11792, 13904, 21172, 22543, 42344, 45086, 58223, 84688, 90172, 116446, 180344, 232892, 247973, 360688, 465784, 495946, 931568, 991892, 1510381, 1780897, 1983784, 3020762, 3561794, 3967568, 6041524, 7123588, 12083048, 14247176, 16614191, 19589867, 24166096, 28494352, 33228382, 39179734, 66456764, 78359468, 119320099, 132913528, 156718936, 238640198, 265827056, 313437872, 477280396, 954560792, 1312521089, 1909121584, 2625042178, 5250084356, 10500168712, 21000337424]

約数ペア:

[(1, 21000337424), (2, 10500168712), (4, 5250084356), (8, 2625042178), (11, 1909121584), (16, 1312521089), (22, 954560792), (44, 477280396), (67, 313437872), (79, 265827056), (88, 238640198), (134, 156718936), (158, 132913528), (176, 119320099), (268, 78359468), (316, 66456764), (536, 39179734), (632, 33228382), (737, 28494352), (869, 24166096), (1072, 19589867), (1264, 16614191), (1474, 14247176), (1738, 12083048), (2948, 7123588), (3476, 6041524), (5293, 3967568), (5896, 3561794), (6952, 3020762), (10586, 1983784), (11792, 1780897), (13904, 1510381), (21172, 991892), (22543, 931568), (42344, 495946), (45086, 465784), (58223, 360688), (84688, 247973), (90172, 232892), (116446, 180344)]