21186360

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:539

約数の個数: 160

約数和(自身を含む): 76839840

約数和(自身を除く): 55653480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 503, 520, 540, 585, 648, 702, 780, 810, 936, 1006, 1053, 1080, 1170, 1404, 1509, 1560, 1620, 1755, 2012, 2106, 2340, 2515, 2808, 3018, 3240, 3510, 4024, 4212, 4527, 4680, 5030, 5265, 6036, 6539, 7020, 7545, 8424, 9054, 10060, 10530, 12072, 13078, 13581, 14040, 15090, 18108, 19617, 20120, 21060, 22635, 26156, 27162, 30180, 32695, 36216, 39234, 40743, 42120, 45270, 52312, 54324, 58851, 60360, 65390, 67905, 78468, 81486, 90540, 98085, 108648, 117702, 130780, 135810, 156936, 162972, 176553, 181080, 196170, 203715, 235404, 261560, 271620, 294255, 325944, 353106, 392340, 407430, 470808, 529659, 543240, 588510, 706212, 784680, 814860, 882765, 1059318, 1177020, 1412424, 1629720, 1765530, 2118636, 2354040, 2648295, 3531060, 4237272, 5296590, 7062120, 10593180, 21186360]

約数ペア:

[(1, 21186360), (2, 10593180), (3, 7062120), (4, 5296590), (5, 4237272), (6, 3531060), (8, 2648295), (9, 2354040), (10, 2118636), (12, 1765530), (13, 1629720), (15, 1412424), (18, 1177020), (20, 1059318), (24, 882765), (26, 814860), (27, 784680), (30, 706212), (36, 588510), (39, 543240), (40, 529659), (45, 470808), (52, 407430), (54, 392340), (60, 353106), (65, 325944), (72, 294255), (78, 271620), (81, 261560), (90, 235404), (104, 203715), (108, 196170), (117, 181080), (120, 176553), (130, 162972), (135, 156936), (156, 135810), (162, 130780), (180, 117702), (195, 108648), (216, 98085), (234, 90540), (260, 81486), (270, 78468), (312, 67905), (324, 65390), (351, 60360), (360, 58851), (390, 54324), (405, 52312), (468, 45270), (503, 42120), (520, 40743), (540, 39234), (585, 36216), (648, 32695), (702, 30180), (780, 27162), (810, 26156), (936, 22635), (1006, 21060), (1053, 20120), (1080, 19617), (1170, 18108), (1404, 15090), (1509, 14040), (1560, 13581), (1620, 13078), (1755, 12072), (2012, 10530), (2106, 10060), (2340, 9054), (2515, 8424), (2808, 7545), (3018, 7020), (3240, 6539), (3510, 6036), (4024, 5265), (4212, 5030), (4527, 4680)]