21414288

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 70281216

約数和(自身を除く): 48866928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 23, 24, 28, 34, 42, 46, 48, 51, 56, 68, 69, 84, 92, 102, 112, 119, 136, 138, 161, 163, 168, 184, 204, 238, 272, 276, 322, 326, 336, 357, 368, 391, 408, 476, 483, 489, 552, 644, 652, 714, 782, 816, 952, 966, 978, 1104, 1141, 1173, 1288, 1304, 1428, 1564, 1904, 1932, 1956, 2282, 2346, 2576, 2608, 2737, 2771, 2856, 3128, 3423, 3749, 3864, 3912, 4564, 4692, 5474, 5542, 5712, 6256, 6846, 7498, 7728, 7824, 8211, 8313, 9128, 9384, 10948, 11084, 11247, 13692, 14996, 16422, 16626, 18256, 18768, 19397, 21896, 22168, 22494, 26243, 27384, 29992, 32844, 33252, 38794, 43792, 44336, 44988, 52486, 54768, 58191, 59984, 63733, 65688, 66504, 77588, 78729, 89976, 104972, 116382, 127466, 131376, 133008, 155176, 157458, 179952, 191199, 209944, 232764, 254932, 310352, 314916, 382398, 419888, 446131, 465528, 509864, 629832, 764796, 892262, 931056, 1019728, 1259664, 1338393, 1529592, 1784524, 2676786, 3059184, 3569048, 5353572, 7138096, 10707144, 21414288]

約数ペア:

[(1, 21414288), (2, 10707144), (3, 7138096), (4, 5353572), (6, 3569048), (7, 3059184), (8, 2676786), (12, 1784524), (14, 1529592), (16, 1338393), (17, 1259664), (21, 1019728), (23, 931056), (24, 892262), (28, 764796), (34, 629832), (42, 509864), (46, 465528), (48, 446131), (51, 419888), (56, 382398), (68, 314916), (69, 310352), (84, 254932), (92, 232764), (102, 209944), (112, 191199), (119, 179952), (136, 157458), (138, 155176), (161, 133008), (163, 131376), (168, 127466), (184, 116382), (204, 104972), (238, 89976), (272, 78729), (276, 77588), (322, 66504), (326, 65688), (336, 63733), (357, 59984), (368, 58191), (391, 54768), (408, 52486), (476, 44988), (483, 44336), (489, 43792), (552, 38794), (644, 33252), (652, 32844), (714, 29992), (782, 27384), (816, 26243), (952, 22494), (966, 22168), (978, 21896), (1104, 19397), (1141, 18768), (1173, 18256), (1288, 16626), (1304, 16422), (1428, 14996), (1564, 13692), (1904, 11247), (1932, 11084), (1956, 10948), (2282, 9384), (2346, 9128), (2576, 8313), (2608, 8211), (2737, 7824), (2771, 7728), (2856, 7498), (3128, 6846), (3423, 6256), (3749, 5712), (3864, 5542), (3912, 5474), (4564, 4692)]