21753360

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{373}}^1$

素因数の和:404

約数の個数: 140

約数和(自身を含む): 76033452

約数和(自身を除く): 54280092

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 373, 405, 432, 486, 540, 648, 720, 729, 746, 810, 972, 1080, 1119, 1215, 1296, 1458, 1492, 1620, 1865, 1944, 2160, 2238, 2430, 2916, 2984, 3240, 3357, 3645, 3730, 3888, 4476, 4860, 5595, 5832, 5968, 6480, 6714, 7290, 7460, 8952, 9720, 10071, 11190, 11664, 13428, 14580, 14920, 16785, 17904, 19440, 20142, 22380, 26856, 29160, 29840, 30213, 33570, 40284, 44760, 50355, 53712, 58320, 60426, 67140, 80568, 89520, 90639, 100710, 120852, 134280, 151065, 161136, 181278, 201420, 241704, 268560, 271917, 302130, 362556, 402840, 453195, 483408, 543834, 604260, 725112, 805680, 906390, 1087668, 1208520, 1359585, 1450224, 1812780, 2175336, 2417040, 2719170, 3625560, 4350672, 5438340, 7251120, 10876680, 21753360]

約数ペア:

[(1, 21753360), (2, 10876680), (3, 7251120), (4, 5438340), (5, 4350672), (6, 3625560), (8, 2719170), (9, 2417040), (10, 2175336), (12, 1812780), (15, 1450224), (16, 1359585), (18, 1208520), (20, 1087668), (24, 906390), (27, 805680), (30, 725112), (36, 604260), (40, 543834), (45, 483408), (48, 453195), (54, 402840), (60, 362556), (72, 302130), (80, 271917), (81, 268560), (90, 241704), (108, 201420), (120, 181278), (135, 161136), (144, 151065), (162, 134280), (180, 120852), (216, 100710), (240, 90639), (243, 89520), (270, 80568), (324, 67140), (360, 60426), (373, 58320), (405, 53712), (432, 50355), (486, 44760), (540, 40284), (648, 33570), (720, 30213), (729, 29840), (746, 29160), (810, 26856), (972, 22380), (1080, 20142), (1119, 19440), (1215, 17904), (1296, 16785), (1458, 14920), (1492, 14580), (1620, 13428), (1865, 11664), (1944, 11190), (2160, 10071), (2238, 9720), (2430, 8952), (2916, 7460), (2984, 7290), (3240, 6714), (3357, 6480), (3645, 5968), (3730, 5832), (3888, 5595), (4476, 4860)]