21297510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 39242970

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 109, 117, 130, 167, 195, 218, 234, 327, 334, 390, 501, 545, 585, 654, 835, 981, 1002, 1090, 1170, 1417, 1503, 1635, 1670, 1962, 2171, 2505, 2834, 3006, 3270, 4251, 4342, 4905, 5010, 6513, 7085, 7515, 8502, 9810, 10855, 12753, 13026, 14170, 15030, 18203, 19539, 21255, 21710, 25506, 32565, 36406, 39078, 42510, 54609, 63765, 65130, 91015, 97695, 109218, 127530, 163827, 182030, 195390, 236639, 273045, 327654, 473278, 546090, 709917, 819135, 1183195, 1419834, 1638270, 2129751, 2366390, 3549585, 4259502, 7099170, 10648755, 21297510]

約数ペア:

[(1, 21297510), (2, 10648755), (3, 7099170), (5, 4259502), (6, 3549585), (9, 2366390), (10, 2129751), (13, 1638270), (15, 1419834), (18, 1183195), (26, 819135), (30, 709917), (39, 546090), (45, 473278), (65, 327654), (78, 273045), (90, 236639), (109, 195390), (117, 182030), (130, 163827), (167, 127530), (195, 109218), (218, 97695), (234, 91015), (327, 65130), (334, 63765), (390, 54609), (501, 42510), (545, 39078), (585, 36406), (654, 32565), (835, 25506), (981, 21710), (1002, 21255), (1090, 19539), (1170, 18203), (1417, 15030), (1503, 14170), (1635, 13026), (1670, 12753), (1962, 10855), (2171, 9810), (2505, 8502), (2834, 7515), (3006, 7085), (3270, 6513), (4251, 5010), (4342, 4905)]