21332040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 47096760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 115, 118, 120, 131, 138, 177, 184, 230, 236, 262, 276, 295, 345, 354, 393, 460, 472, 524, 552, 590, 655, 690, 708, 786, 885, 920, 1048, 1180, 1310, 1357, 1380, 1416, 1572, 1770, 1965, 2360, 2620, 2714, 2760, 3013, 3144, 3540, 3930, 4071, 5240, 5428, 6026, 6785, 7080, 7729, 7860, 8142, 9039, 10856, 12052, 13570, 15065, 15458, 15720, 16284, 18078, 20355, 23187, 24104, 27140, 30130, 30916, 32568, 36156, 38645, 40710, 45195, 46374, 54280, 60260, 61832, 72312, 77290, 81420, 90390, 92748, 115935, 120520, 154580, 162840, 177767, 180780, 185496, 231870, 309160, 355534, 361560, 463740, 533301, 711068, 888835, 927480, 1066602, 1422136, 1777670, 2133204, 2666505, 3555340, 4266408, 5333010, 7110680, 10666020, 21332040]

約数ペア:

[(1, 21332040), (2, 10666020), (3, 7110680), (4, 5333010), (5, 4266408), (6, 3555340), (8, 2666505), (10, 2133204), (12, 1777670), (15, 1422136), (20, 1066602), (23, 927480), (24, 888835), (30, 711068), (40, 533301), (46, 463740), (59, 361560), (60, 355534), (69, 309160), (92, 231870), (115, 185496), (118, 180780), (120, 177767), (131, 162840), (138, 154580), (177, 120520), (184, 115935), (230, 92748), (236, 90390), (262, 81420), (276, 77290), (295, 72312), (345, 61832), (354, 60260), (393, 54280), (460, 46374), (472, 45195), (524, 40710), (552, 38645), (590, 36156), (655, 32568), (690, 30916), (708, 30130), (786, 27140), (885, 24104), (920, 23187), (1048, 20355), (1180, 18078), (1310, 16284), (1357, 15720), (1380, 15458), (1416, 15065), (1572, 13570), (1770, 12052), (1965, 10856), (2360, 9039), (2620, 8142), (2714, 7860), (2760, 7729), (3013, 7080), (3144, 6785), (3540, 6026), (3930, 5428), (4071, 5240)]