21541416

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 60082560

約数和(自身を除く): 38541144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 113, 141, 156, 169, 188, 226, 282, 312, 338, 339, 376, 452, 507, 564, 611, 676, 678, 904, 1014, 1128, 1222, 1352, 1356, 1469, 1833, 2028, 2444, 2712, 2938, 3666, 4056, 4407, 4888, 5311, 5876, 7332, 7943, 8814, 10622, 11752, 14664, 15886, 15933, 17628, 19097, 21244, 23829, 31772, 31866, 35256, 38194, 42488, 47658, 57291, 63544, 63732, 69043, 76388, 95316, 114582, 127464, 138086, 152776, 190632, 207129, 229164, 276172, 414258, 458328, 552344, 828516, 897559, 1657032, 1795118, 2692677, 3590236, 5385354, 7180472, 10770708, 21541416]

約数ペア:

[(1, 21541416), (2, 10770708), (3, 7180472), (4, 5385354), (6, 3590236), (8, 2692677), (12, 1795118), (13, 1657032), (24, 897559), (26, 828516), (39, 552344), (47, 458328), (52, 414258), (78, 276172), (94, 229164), (104, 207129), (113, 190632), (141, 152776), (156, 138086), (169, 127464), (188, 114582), (226, 95316), (282, 76388), (312, 69043), (338, 63732), (339, 63544), (376, 57291), (452, 47658), (507, 42488), (564, 38194), (611, 35256), (676, 31866), (678, 31772), (904, 23829), (1014, 21244), (1128, 19097), (1222, 17628), (1352, 15933), (1356, 15886), (1469, 14664), (1833, 11752), (2028, 10622), (2444, 8814), (2712, 7943), (2938, 7332), (3666, 5876), (4056, 5311), (4407, 4888)]