21102120

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 77051520

約数和(自身を除く): 55949400

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, 167, 180, 195, 216, 234, 243, 260, 270, 312, 324, 334, 351, 360, 390, 405, 468, 486, 501, 520, 540, 585, 648, 668, 702, 780, 810, 835, 936, 972, 1002, 1053, 1080, 1170, 1215, 1336, 1404, 1503, 1560, 1620, 1670, 1755, 1944, 2004, 2106, 2171, 2340, 2430, 2505, 2808, 3006, 3159, 3240, 3340, 3510, 4008, 4212, 4342, 4509, 4680, 4860, 5010, 5265, 6012, 6318, 6513, 6680, 7020, 7515, 8424, 8684, 9018, 9720, 10020, 10530, 10855, 12024, 12636, 13026, 13527, 14040, 15030, 15795, 17368, 18036, 19539, 20040, 21060, 21710, 22545, 25272, 26052, 27054, 30060, 31590, 32565, 36072, 39078, 40581, 42120, 43420, 45090, 52104, 54108, 58617, 60120, 63180, 65130, 67635, 78156, 81162, 86840, 90180, 97695, 108216, 117234, 126360, 130260, 135270, 156312, 162324, 175851, 180360, 195390, 202905, 234468, 260520, 270540, 293085, 324648, 351702, 390780, 405810, 468936, 527553, 541080, 586170, 703404, 781560, 811620, 879255, 1055106, 1172340, 1406808, 1623240, 1758510, 2110212, 2344680, 2637765, 3517020, 4220424, 5275530, 7034040, 10551060, 21102120]

約数ペア:

[(1, 21102120), (2, 10551060), (3, 7034040), (4, 5275530), (5, 4220424), (6, 3517020), (8, 2637765), (9, 2344680), (10, 2110212), (12, 1758510), (13, 1623240), (15, 1406808), (18, 1172340), (20, 1055106), (24, 879255), (26, 811620), (27, 781560), (30, 703404), (36, 586170), (39, 541080), (40, 527553), (45, 468936), (52, 405810), (54, 390780), (60, 351702), (65, 324648), (72, 293085), (78, 270540), (81, 260520), (90, 234468), (104, 202905), (108, 195390), (117, 180360), (120, 175851), (130, 162324), (135, 156312), (156, 135270), (162, 130260), (167, 126360), (180, 117234), (195, 108216), (216, 97695), (234, 90180), (243, 86840), (260, 81162), (270, 78156), (312, 67635), (324, 65130), (334, 63180), (351, 60120), (360, 58617), (390, 54108), (405, 52104), (468, 45090), (486, 43420), (501, 42120), (520, 40581), (540, 39078), (585, 36072), (648, 32565), (668, 31590), (702, 30060), (780, 27054), (810, 26052), (835, 25272), (936, 22545), (972, 21710), (1002, 21060), (1053, 20040), (1080, 19539), (1170, 18036), (1215, 17368), (1336, 15795), (1404, 15030), (1503, 14040), (1560, 13527), (1620, 13026), (1670, 12636), (1755, 12024), (1944, 10855), (2004, 10530), (2106, 10020), (2171, 9720), (2340, 9018), (2430, 8684), (2505, 8424), (2808, 7515), (3006, 7020), (3159, 6680), (3240, 6513), (3340, 6318), (3510, 6012), (4008, 5265), (4212, 5010), (4342, 4860), (4509, 4680)]