20211324

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 56402640

約数和(自身を除く): 36191316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 929, 1036, 1554, 1813, 1858, 2787, 3108, 3626, 3716, 5439, 5574, 6503, 7252, 10878, 11148, 13006, 19509, 21756, 26012, 34373, 39018, 45521, 68746, 78036, 91042, 103119, 136563, 137492, 182084, 206238, 240611, 273126, 412476, 481222, 546252, 721833, 962444, 1443666, 1684277, 2887332, 3368554, 5052831, 6737108, 10105662, 20211324]

約数ペア:

[(1, 20211324), (2, 10105662), (3, 6737108), (4, 5052831), (6, 3368554), (7, 2887332), (12, 1684277), (14, 1443666), (21, 962444), (28, 721833), (37, 546252), (42, 481222), (49, 412476), (74, 273126), (84, 240611), (98, 206238), (111, 182084), (147, 137492), (148, 136563), (196, 103119), (222, 91042), (259, 78036), (294, 68746), (444, 45521), (518, 39018), (588, 34373), (777, 26012), (929, 21756), (1036, 19509), (1554, 13006), (1813, 11148), (1858, 10878), (2787, 7252), (3108, 6503), (3626, 5574), (3716, 5439)]