21116448

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:279

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 46107072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 32, 34, 36, 38, 48, 51, 57, 68, 72, 76, 96, 102, 114, 136, 144, 152, 153, 171, 204, 227, 228, 272, 288, 304, 306, 323, 342, 408, 454, 456, 544, 608, 612, 646, 681, 684, 816, 908, 912, 969, 1224, 1292, 1362, 1368, 1632, 1816, 1824, 1938, 2043, 2448, 2584, 2724, 2736, 2907, 3632, 3859, 3876, 4086, 4313, 4896, 5168, 5448, 5472, 5814, 7264, 7718, 7752, 8172, 8626, 10336, 10896, 11577, 11628, 12939, 15436, 15504, 16344, 17252, 21792, 23154, 23256, 25878, 30872, 31008, 32688, 34504, 34731, 38817, 46308, 46512, 51756, 61744, 65376, 69008, 69462, 73321, 77634, 92616, 93024, 103512, 123488, 138016, 138924, 146642, 155268, 185232, 207024, 219963, 277848, 293284, 310536, 370464, 414048, 439926, 555696, 586568, 621072, 659889, 879852, 1111392, 1173136, 1242144, 1319778, 1759704, 2346272, 2639556, 3519408, 5279112, 7038816, 10558224, 21116448]

約数ペア:

[(1, 21116448), (2, 10558224), (3, 7038816), (4, 5279112), (6, 3519408), (8, 2639556), (9, 2346272), (12, 1759704), (16, 1319778), (17, 1242144), (18, 1173136), (19, 1111392), (24, 879852), (32, 659889), (34, 621072), (36, 586568), (38, 555696), (48, 439926), (51, 414048), (57, 370464), (68, 310536), (72, 293284), (76, 277848), (96, 219963), (102, 207024), (114, 185232), (136, 155268), (144, 146642), (152, 138924), (153, 138016), (171, 123488), (204, 103512), (227, 93024), (228, 92616), (272, 77634), (288, 73321), (304, 69462), (306, 69008), (323, 65376), (342, 61744), (408, 51756), (454, 46512), (456, 46308), (544, 38817), (608, 34731), (612, 34504), (646, 32688), (681, 31008), (684, 30872), (816, 25878), (908, 23256), (912, 23154), (969, 21792), (1224, 17252), (1292, 16344), (1362, 15504), (1368, 15436), (1632, 12939), (1816, 11628), (1824, 11577), (1938, 10896), (2043, 10336), (2448, 8626), (2584, 8172), (2724, 7752), (2736, 7718), (2907, 7264), (3632, 5814), (3859, 5472), (3876, 5448), (4086, 5168), (4313, 4896)]