21085344

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10459}}^1$

素因数の和:10482

約数の個数: 72

約数和(自身を含む): 68533920

約数和(自身を除く): 47448576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10459, 20918, 31377, 41836, 62754, 73213, 83672, 94131, 125508, 146426, 167344, 188262, 219639, 251016, 292852, 334688, 376524, 439278, 502032, 585704, 658917, 753048, 878556, 1004064, 1171408, 1317834, 1506096, 1757112, 2342816, 2635668, 3012192, 3514224, 5271336, 7028448, 10542672, 21085344]

約数ペア:

[(1, 21085344), (2, 10542672), (3, 7028448), (4, 5271336), (6, 3514224), (7, 3012192), (8, 2635668), (9, 2342816), (12, 1757112), (14, 1506096), (16, 1317834), (18, 1171408), (21, 1004064), (24, 878556), (28, 753048), (32, 658917), (36, 585704), (42, 502032), (48, 439278), (56, 376524), (63, 334688), (72, 292852), (84, 251016), (96, 219639), (112, 188262), (126, 167344), (144, 146426), (168, 125508), (224, 94131), (252, 83672), (288, 73213), (336, 62754), (504, 41836), (672, 31377), (1008, 20918), (2016, 10459)]