21529035

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 44568576

約数和(自身を除く): 23039541

約数列:

[1, 3, 5, 9, 11, 15, 23, 31, 33, 45, 55, 61, 69, 93, 99, 115, 155, 165, 183, 207, 253, 279, 305, 341, 345, 465, 495, 549, 671, 713, 759, 915, 1023, 1035, 1265, 1395, 1403, 1705, 1891, 2013, 2139, 2277, 2745, 3069, 3355, 3565, 3795, 4209, 5115, 5673, 6039, 6417, 7015, 7843, 9455, 10065, 10695, 11385, 12627, 15345, 15433, 17019, 20801, 21045, 23529, 28365, 30195, 32085, 39215, 43493, 46299, 62403, 63135, 70587, 77165, 85095, 104005, 117645, 130479, 138897, 187209, 217465, 231495, 312015, 352935, 391437, 478423, 652395, 694485, 936045, 1435269, 1957185, 2392115, 4305807, 7176345, 21529035]

約数ペア:

[(1, 21529035), (3, 7176345), (5, 4305807), (9, 2392115), (11, 1957185), (15, 1435269), (23, 936045), (31, 694485), (33, 652395), (45, 478423), (55, 391437), (61, 352935), (69, 312015), (93, 231495), (99, 217465), (115, 187209), (155, 138897), (165, 130479), (183, 117645), (207, 104005), (253, 85095), (279, 77165), (305, 70587), (341, 63135), (345, 62403), (465, 46299), (495, 43493), (549, 39215), (671, 32085), (713, 30195), (759, 28365), (915, 23529), (1023, 21045), (1035, 20801), (1265, 17019), (1395, 15433), (1403, 15345), (1705, 12627), (1891, 11385), (2013, 10695), (2139, 10065), (2277, 9455), (2745, 7843), (3069, 7015), (3355, 6417), (3565, 6039), (3795, 5673), (4209, 5115)]