21982032

素因数分解:

$2^4\times 3^2\times {\mathrm{293}}^1\times {\mathrm{521}}^1$

素因数の和:828

約数の個数: 60

約数和(自身を含む): 61847604

約数和(自身を除く): 39865572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 293, 521, 586, 879, 1042, 1172, 1563, 1758, 2084, 2344, 2637, 3126, 3516, 4168, 4688, 4689, 5274, 6252, 7032, 8336, 9378, 10548, 12504, 14064, 18756, 21096, 25008, 37512, 42192, 75024, 152653, 305306, 457959, 610612, 915918, 1221224, 1373877, 1831836, 2442448, 2747754, 3663672, 5495508, 7327344, 10991016, 21982032]

約数ペア:

[(1, 21982032), (2, 10991016), (3, 7327344), (4, 5495508), (6, 3663672), (8, 2747754), (9, 2442448), (12, 1831836), (16, 1373877), (18, 1221224), (24, 915918), (36, 610612), (48, 457959), (72, 305306), (144, 152653), (293, 75024), (521, 42192), (586, 37512), (879, 25008), (1042, 21096), (1172, 18756), (1563, 14064), (1758, 12504), (2084, 10548), (2344, 9378), (2637, 8336), (3126, 7032), (3516, 6252), (4168, 5274), (4688, 4689)]