21148260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1233

約数の個数: 96

約数和(自身を含む): 69307392

約数和(自身を除く): 48159132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1171, 1204, 1290, 1505, 1806, 2342, 2580, 3010, 3513, 3612, 4515, 4684, 5855, 6020, 7026, 8197, 9030, 11710, 14052, 16394, 17565, 18060, 23420, 24591, 32788, 35130, 40985, 49182, 50353, 70260, 81970, 98364, 100706, 122955, 151059, 163940, 201412, 245910, 251765, 302118, 352471, 491820, 503530, 604236, 704942, 755295, 1007060, 1057413, 1409884, 1510590, 1762355, 2114826, 3021180, 3524710, 4229652, 5287065, 7049420, 10574130, 21148260]

約数ペア:

[(1, 21148260), (2, 10574130), (3, 7049420), (4, 5287065), (5, 4229652), (6, 3524710), (7, 3021180), (10, 2114826), (12, 1762355), (14, 1510590), (15, 1409884), (20, 1057413), (21, 1007060), (28, 755295), (30, 704942), (35, 604236), (42, 503530), (43, 491820), (60, 352471), (70, 302118), (84, 251765), (86, 245910), (105, 201412), (129, 163940), (140, 151059), (172, 122955), (210, 100706), (215, 98364), (258, 81970), (301, 70260), (420, 50353), (430, 49182), (516, 40985), (602, 35130), (645, 32788), (860, 24591), (903, 23420), (1171, 18060), (1204, 17565), (1290, 16394), (1505, 14052), (1806, 11710), (2342, 9030), (2580, 8197), (3010, 7026), (3513, 6020), (3612, 5855), (4515, 4684)]