21001392

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 120

約数和(自身を含む): 65111904

約数和(自身を除く): 44110512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 23, 24, 34, 36, 46, 48, 51, 68, 69, 72, 92, 102, 136, 138, 144, 153, 184, 204, 207, 272, 276, 306, 368, 373, 391, 408, 414, 552, 612, 746, 782, 816, 828, 1104, 1119, 1173, 1224, 1492, 1564, 1656, 2238, 2346, 2448, 2984, 3128, 3312, 3357, 3519, 4476, 4692, 5968, 6256, 6341, 6714, 7038, 8579, 8952, 9384, 12682, 13428, 14076, 17158, 17904, 18768, 19023, 25364, 25737, 26856, 28152, 34316, 38046, 50728, 51474, 53712, 56304, 57069, 68632, 76092, 77211, 101456, 102948, 114138, 137264, 145843, 152184, 154422, 205896, 228276, 291686, 304368, 308844, 411792, 437529, 456552, 583372, 617688, 875058, 913104, 1166744, 1235376, 1312587, 1750116, 2333488, 2625174, 3500232, 5250348, 7000464, 10500696, 21001392]

約数ペア:

[(1, 21001392), (2, 10500696), (3, 7000464), (4, 5250348), (6, 3500232), (8, 2625174), (9, 2333488), (12, 1750116), (16, 1312587), (17, 1235376), (18, 1166744), (23, 913104), (24, 875058), (34, 617688), (36, 583372), (46, 456552), (48, 437529), (51, 411792), (68, 308844), (69, 304368), (72, 291686), (92, 228276), (102, 205896), (136, 154422), (138, 152184), (144, 145843), (153, 137264), (184, 114138), (204, 102948), (207, 101456), (272, 77211), (276, 76092), (306, 68632), (368, 57069), (373, 56304), (391, 53712), (408, 51474), (414, 50728), (552, 38046), (612, 34316), (746, 28152), (782, 26856), (816, 25737), (828, 25364), (1104, 19023), (1119, 18768), (1173, 17904), (1224, 17158), (1492, 14076), (1564, 13428), (1656, 12682), (2238, 9384), (2346, 8952), (2448, 8579), (2984, 7038), (3128, 6714), (3312, 6341), (3357, 6256), (3519, 5968), (4476, 4692)]