21464730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 67253760

約数和(自身を除く): 45789030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 41, 42, 45, 54, 63, 70, 82, 90, 105, 123, 126, 135, 189, 205, 210, 246, 270, 277, 287, 315, 369, 378, 410, 554, 574, 615, 630, 738, 831, 861, 945, 1107, 1230, 1385, 1435, 1662, 1722, 1845, 1890, 1939, 2214, 2493, 2583, 2770, 2870, 3690, 3878, 4155, 4305, 4986, 5166, 5535, 5817, 7479, 7749, 8310, 8610, 9695, 11070, 11357, 11634, 12465, 12915, 14958, 15498, 17451, 19390, 22714, 24930, 25830, 29085, 34071, 34902, 37395, 38745, 52353, 56785, 58170, 68142, 74790, 77490, 79499, 87255, 102213, 104706, 113570, 158998, 170355, 174510, 204426, 238497, 261765, 306639, 340710, 397495, 476994, 511065, 523530, 613278, 715491, 794990, 1022130, 1192485, 1430982, 1533195, 2146473, 2384970, 3066390, 3577455, 4292946, 7154910, 10732365, 21464730]

約数ペア:

[(1, 21464730), (2, 10732365), (3, 7154910), (5, 4292946), (6, 3577455), (7, 3066390), (9, 2384970), (10, 2146473), (14, 1533195), (15, 1430982), (18, 1192485), (21, 1022130), (27, 794990), (30, 715491), (35, 613278), (41, 523530), (42, 511065), (45, 476994), (54, 397495), (63, 340710), (70, 306639), (82, 261765), (90, 238497), (105, 204426), (123, 174510), (126, 170355), (135, 158998), (189, 113570), (205, 104706), (210, 102213), (246, 87255), (270, 79499), (277, 77490), (287, 74790), (315, 68142), (369, 58170), (378, 56785), (410, 52353), (554, 38745), (574, 37395), (615, 34902), (630, 34071), (738, 29085), (831, 25830), (861, 24930), (945, 22714), (1107, 19390), (1230, 17451), (1385, 15498), (1435, 14958), (1662, 12915), (1722, 12465), (1845, 11634), (1890, 11357), (1939, 11070), (2214, 9695), (2493, 8610), (2583, 8310), (2770, 7749), (2870, 7479), (3690, 5817), (3878, 5535), (4155, 5166), (4305, 4986)]