21739344

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 65308320

約数和(自身を除く): 43568976

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 121, 132, 152, 176, 197, 209, 228, 242, 264, 304, 363, 394, 418, 456, 484, 528, 591, 627, 726, 788, 836, 912, 968, 1182, 1254, 1452, 1576, 1672, 1936, 2167, 2299, 2364, 2508, 2904, 3152, 3344, 3743, 4334, 4598, 4728, 5016, 5808, 6501, 6897, 7486, 8668, 9196, 9456, 10032, 11229, 13002, 13794, 14972, 17336, 18392, 22458, 23837, 26004, 27588, 29944, 34672, 36784, 41173, 44916, 47674, 52008, 55176, 59888, 71511, 82346, 89832, 95348, 104016, 110352, 123519, 143022, 164692, 179664, 190696, 247038, 286044, 329384, 381392, 452903, 494076, 572088, 658768, 905806, 988152, 1144176, 1358709, 1811612, 1976304, 2717418, 3623224, 5434836, 7246448, 10869672, 21739344]

約数ペア:

[(1, 21739344), (2, 10869672), (3, 7246448), (4, 5434836), (6, 3623224), (8, 2717418), (11, 1976304), (12, 1811612), (16, 1358709), (19, 1144176), (22, 988152), (24, 905806), (33, 658768), (38, 572088), (44, 494076), (48, 452903), (57, 381392), (66, 329384), (76, 286044), (88, 247038), (114, 190696), (121, 179664), (132, 164692), (152, 143022), (176, 123519), (197, 110352), (209, 104016), (228, 95348), (242, 89832), (264, 82346), (304, 71511), (363, 59888), (394, 55176), (418, 52008), (456, 47674), (484, 44916), (528, 41173), (591, 36784), (627, 34672), (726, 29944), (788, 27588), (836, 26004), (912, 23837), (968, 22458), (1182, 18392), (1254, 17336), (1452, 14972), (1576, 13794), (1672, 13002), (1936, 11229), (2167, 10032), (2299, 9456), (2364, 9196), (2508, 8668), (2904, 7486), (3152, 6897), (3344, 6501), (3743, 5808), (4334, 5016), (4598, 4728)]