21683040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:444

約数の個数: 96

約数和(自身を含む): 68947200

約数和(自身を除く): 47264160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 199, 227, 240, 398, 454, 480, 597, 681, 796, 908, 995, 1135, 1194, 1362, 1592, 1816, 1990, 2270, 2388, 2724, 2985, 3184, 3405, 3632, 3980, 4540, 4776, 5448, 5970, 6368, 6810, 7264, 7960, 9080, 9552, 10896, 11940, 13620, 15920, 18160, 19104, 21792, 23880, 27240, 31840, 36320, 45173, 47760, 54480, 90346, 95520, 108960, 135519, 180692, 225865, 271038, 361384, 451730, 542076, 677595, 722768, 903460, 1084152, 1355190, 1445536, 1806920, 2168304, 2710380, 3613840, 4336608, 5420760, 7227680, 10841520, 21683040]

約数ペア:

[(1, 21683040), (2, 10841520), (3, 7227680), (4, 5420760), (5, 4336608), (6, 3613840), (8, 2710380), (10, 2168304), (12, 1806920), (15, 1445536), (16, 1355190), (20, 1084152), (24, 903460), (30, 722768), (32, 677595), (40, 542076), (48, 451730), (60, 361384), (80, 271038), (96, 225865), (120, 180692), (160, 135519), (199, 108960), (227, 95520), (240, 90346), (398, 54480), (454, 47760), (480, 45173), (597, 36320), (681, 31840), (796, 27240), (908, 23880), (995, 21792), (1135, 19104), (1194, 18160), (1362, 15920), (1592, 13620), (1816, 11940), (1990, 10896), (2270, 9552), (2388, 9080), (2724, 7960), (2985, 7264), (3184, 6810), (3405, 6368), (3632, 5970), (3980, 5448), (4540, 4776)]