21117312

素因数分解:

$2^7\times 3^2\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:840

約数の個数: 96

約数和(自身を含む): 63488880

約数和(自身を除く): 42371568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 276, 288, 368, 384, 414, 552, 576, 736, 797, 828, 1104, 1152, 1472, 1594, 1656, 2208, 2391, 2944, 3188, 3312, 4416, 4782, 6376, 6624, 7173, 8832, 9564, 12752, 13248, 14346, 18331, 19128, 25504, 26496, 28692, 36662, 38256, 51008, 54993, 57384, 73324, 76512, 102016, 109986, 114768, 146648, 153024, 164979, 219972, 229536, 293296, 306048, 329958, 439944, 459072, 586592, 659916, 879888, 918144, 1173184, 1319832, 1759776, 2346368, 2639664, 3519552, 5279328, 7039104, 10558656, 21117312]

約数ペア:

[(1, 21117312), (2, 10558656), (3, 7039104), (4, 5279328), (6, 3519552), (8, 2639664), (9, 2346368), (12, 1759776), (16, 1319832), (18, 1173184), (23, 918144), (24, 879888), (32, 659916), (36, 586592), (46, 459072), (48, 439944), (64, 329958), (69, 306048), (72, 293296), (92, 229536), (96, 219972), (128, 164979), (138, 153024), (144, 146648), (184, 114768), (192, 109986), (207, 102016), (276, 76512), (288, 73324), (368, 57384), (384, 54993), (414, 51008), (552, 38256), (576, 36662), (736, 28692), (797, 26496), (828, 25504), (1104, 19128), (1152, 18331), (1472, 14346), (1594, 13248), (1656, 12752), (2208, 9564), (2391, 8832), (2944, 7173), (3188, 6624), (3312, 6376), (4416, 4782)]