21479976

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 74131200

約数和(自身を除く): 52651224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 23, 24, 28, 34, 36, 42, 46, 51, 56, 63, 68, 69, 72, 84, 92, 102, 109, 119, 126, 136, 138, 153, 161, 168, 184, 204, 207, 218, 238, 252, 276, 306, 322, 327, 357, 391, 408, 414, 436, 476, 483, 504, 552, 612, 644, 654, 714, 763, 782, 828, 872, 952, 966, 981, 1071, 1173, 1224, 1288, 1308, 1428, 1449, 1526, 1564, 1656, 1853, 1932, 1962, 2142, 2289, 2346, 2507, 2616, 2737, 2856, 2898, 3052, 3128, 3519, 3706, 3864, 3924, 4284, 4578, 4692, 5014, 5474, 5559, 5796, 6104, 6867, 7038, 7412, 7521, 7848, 8211, 8568, 9156, 9384, 10028, 10948, 11118, 11592, 12971, 13734, 14076, 14824, 15042, 16422, 16677, 17549, 18312, 20056, 21896, 22236, 22563, 24633, 25942, 27468, 28152, 30084, 32844, 33354, 35098, 38913, 42619, 44472, 45126, 49266, 51884, 52647, 54936, 60168, 65688, 66708, 70196, 77826, 85238, 90252, 98532, 103768, 105294, 116739, 127857, 133416, 140392, 155652, 157941, 170476, 180504, 197064, 210588, 233478, 255714, 298333, 311304, 315882, 340952, 383571, 421176, 466956, 511428, 596666, 631764, 767142, 894999, 933912, 1022856, 1193332, 1263528, 1534284, 1789998, 2386664, 2684997, 3068568, 3579996, 5369994, 7159992, 10739988, 21479976]

約数ペア:

[(1, 21479976), (2, 10739988), (3, 7159992), (4, 5369994), (6, 3579996), (7, 3068568), (8, 2684997), (9, 2386664), (12, 1789998), (14, 1534284), (17, 1263528), (18, 1193332), (21, 1022856), (23, 933912), (24, 894999), (28, 767142), (34, 631764), (36, 596666), (42, 511428), (46, 466956), (51, 421176), (56, 383571), (63, 340952), (68, 315882), (69, 311304), (72, 298333), (84, 255714), (92, 233478), (102, 210588), (109, 197064), (119, 180504), (126, 170476), (136, 157941), (138, 155652), (153, 140392), (161, 133416), (168, 127857), (184, 116739), (204, 105294), (207, 103768), (218, 98532), (238, 90252), (252, 85238), (276, 77826), (306, 70196), (322, 66708), (327, 65688), (357, 60168), (391, 54936), (408, 52647), (414, 51884), (436, 49266), (476, 45126), (483, 44472), (504, 42619), (552, 38913), (612, 35098), (644, 33354), (654, 32844), (714, 30084), (763, 28152), (782, 27468), (828, 25942), (872, 24633), (952, 22563), (966, 22236), (981, 21896), (1071, 20056), (1173, 18312), (1224, 17549), (1288, 16677), (1308, 16422), (1428, 15042), (1449, 14824), (1526, 14076), (1564, 13734), (1656, 12971), (1853, 11592), (1932, 11118), (1962, 10948), (2142, 10028), (2289, 9384), (2346, 9156), (2507, 8568), (2616, 8211), (2737, 7848), (2856, 7521), (2898, 7412), (3052, 7038), (3128, 6867), (3519, 6104), (3706, 5796), (3864, 5559), (3924, 5474), (4284, 5014), (4578, 4692)]