21401163756

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{418351}}^1$

素因数の和:418404

約数の個数: 108

約数和(自身を含む): 65099754720

約数和(自身を除く): 43698590964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 49, 58, 63, 84, 87, 98, 116, 126, 147, 174, 196, 203, 252, 261, 294, 348, 406, 441, 522, 588, 609, 812, 882, 1044, 1218, 1421, 1764, 1827, 2436, 2842, 3654, 4263, 5684, 7308, 8526, 12789, 17052, 25578, 51156, 418351, 836702, 1255053, 1673404, 2510106, 2928457, 3765159, 5020212, 5856914, 7530318, 8785371, 11713828, 12132179, 15060636, 17570742, 20499199, 24264358, 26356113, 35141484, 36396537, 40998398, 48528716, 52712226, 61497597, 72793074, 81996796, 84925253, 105424452, 109189611, 122995194, 145586148, 169850506, 184492791, 218379222, 245990388, 254775759, 339701012, 368985582, 436758444, 509551518, 594476771, 737971164, 764327277, 1019103036, 1188953542, 1528654554, 1783430313, 2377907084, 3057309108, 3566860626, 5350290939, 7133721252, 10700581878, 21401163756]

約数ペア:

[(1, 21401163756), (2, 10700581878), (3, 7133721252), (4, 5350290939), (6, 3566860626), (7, 3057309108), (9, 2377907084), (12, 1783430313), (14, 1528654554), (18, 1188953542), (21, 1019103036), (28, 764327277), (29, 737971164), (36, 594476771), (42, 509551518), (49, 436758444), (58, 368985582), (63, 339701012), (84, 254775759), (87, 245990388), (98, 218379222), (116, 184492791), (126, 169850506), (147, 145586148), (174, 122995194), (196, 109189611), (203, 105424452), (252, 84925253), (261, 81996796), (294, 72793074), (348, 61497597), (406, 52712226), (441, 48528716), (522, 40998398), (588, 36396537), (609, 35141484), (812, 26356113), (882, 24264358), (1044, 20499199), (1218, 17570742), (1421, 15060636), (1764, 12132179), (1827, 11713828), (2436, 8785371), (2842, 7530318), (3654, 5856914), (4263, 5020212), (5684, 3765159), (7308, 2928457), (8526, 2510106), (12789, 1673404), (17052, 1255053), (25578, 836702), (51156, 418351)]