21785064

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 44570136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 47, 56, 62, 84, 89, 93, 94, 124, 141, 168, 178, 186, 188, 217, 248, 267, 282, 329, 356, 372, 376, 434, 534, 564, 623, 651, 658, 712, 744, 868, 987, 1068, 1128, 1246, 1302, 1316, 1457, 1736, 1869, 1974, 2136, 2492, 2604, 2632, 2759, 2914, 3738, 3948, 4183, 4371, 4984, 5208, 5518, 5828, 7476, 7896, 8277, 8366, 8742, 10199, 11036, 11656, 12549, 14952, 16554, 16732, 17484, 19313, 20398, 22072, 25098, 29281, 30597, 33108, 33464, 34968, 38626, 40796, 50196, 57939, 58562, 61194, 66216, 77252, 81592, 87843, 100392, 115878, 117124, 122388, 129673, 154504, 175686, 231756, 234248, 244776, 259346, 351372, 389019, 463512, 518692, 702744, 778038, 907711, 1037384, 1556076, 1815422, 2723133, 3112152, 3630844, 5446266, 7261688, 10892532, 21785064]

約数ペア:

[(1, 21785064), (2, 10892532), (3, 7261688), (4, 5446266), (6, 3630844), (7, 3112152), (8, 2723133), (12, 1815422), (14, 1556076), (21, 1037384), (24, 907711), (28, 778038), (31, 702744), (42, 518692), (47, 463512), (56, 389019), (62, 351372), (84, 259346), (89, 244776), (93, 234248), (94, 231756), (124, 175686), (141, 154504), (168, 129673), (178, 122388), (186, 117124), (188, 115878), (217, 100392), (248, 87843), (267, 81592), (282, 77252), (329, 66216), (356, 61194), (372, 58562), (376, 57939), (434, 50196), (534, 40796), (564, 38626), (623, 34968), (651, 33464), (658, 33108), (712, 30597), (744, 29281), (868, 25098), (987, 22072), (1068, 20398), (1128, 19313), (1246, 17484), (1302, 16732), (1316, 16554), (1457, 14952), (1736, 12549), (1869, 11656), (1974, 11036), (2136, 10199), (2492, 8742), (2604, 8366), (2632, 8277), (2759, 7896), (2914, 7476), (3738, 5828), (3948, 5518), (4183, 5208), (4371, 4984)]