21204666

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 57028608

約数和(自身を除く): 35823942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 81, 126, 138, 161, 162, 189, 207, 243, 271, 322, 378, 414, 483, 486, 542, 567, 621, 813, 966, 1134, 1242, 1449, 1626, 1701, 1863, 1897, 2439, 2898, 3402, 3726, 3794, 4347, 4878, 5589, 5691, 6233, 7317, 8694, 11178, 11382, 12466, 13041, 14634, 17073, 18699, 21951, 26082, 34146, 37398, 39123, 43631, 43902, 51219, 56097, 65853, 78246, 87262, 102438, 112194, 130893, 131706, 153657, 168291, 261786, 307314, 336582, 392679, 460971, 504873, 785358, 921942, 1009746, 1178037, 1514619, 2356074, 3029238, 3534111, 7068222, 10602333, 21204666]

約数ペア:

[(1, 21204666), (2, 10602333), (3, 7068222), (6, 3534111), (7, 3029238), (9, 2356074), (14, 1514619), (18, 1178037), (21, 1009746), (23, 921942), (27, 785358), (42, 504873), (46, 460971), (54, 392679), (63, 336582), (69, 307314), (81, 261786), (126, 168291), (138, 153657), (161, 131706), (162, 130893), (189, 112194), (207, 102438), (243, 87262), (271, 78246), (322, 65853), (378, 56097), (414, 51219), (483, 43902), (486, 43631), (542, 39123), (567, 37398), (621, 34146), (813, 26082), (966, 21951), (1134, 18699), (1242, 17073), (1449, 14634), (1626, 13041), (1701, 12466), (1863, 11382), (1897, 11178), (2439, 8694), (2898, 7317), (3402, 6233), (3726, 5691), (3794, 5589), (4347, 4878)]