21782232

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4261}}^1$

素因数の和:4344

約数の個数: 48

約数和(自身を含む): 59838480

約数和(自身を除く): 38056248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4261, 5112, 8522, 12783, 17044, 25566, 34088, 38349, 51132, 76698, 102264, 153396, 302531, 306792, 605062, 907593, 1210124, 1815186, 2420248, 2722779, 3630372, 5445558, 7260744, 10891116, 21782232]

約数ペア:

[(1, 21782232), (2, 10891116), (3, 7260744), (4, 5445558), (6, 3630372), (8, 2722779), (9, 2420248), (12, 1815186), (18, 1210124), (24, 907593), (36, 605062), (71, 306792), (72, 302531), (142, 153396), (213, 102264), (284, 76698), (426, 51132), (568, 38349), (639, 34088), (852, 25566), (1278, 17044), (1704, 12783), (2556, 8522), (4261, 5112)]