21947464

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 31678136

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 77, 79, 82, 88, 121, 154, 158, 164, 242, 287, 308, 316, 328, 451, 484, 553, 574, 616, 632, 847, 869, 902, 968, 1106, 1148, 1694, 1738, 1804, 2212, 2296, 3157, 3239, 3388, 3476, 3608, 4424, 4961, 6083, 6314, 6478, 6776, 6952, 9559, 9922, 12166, 12628, 12956, 19118, 19844, 22673, 24332, 25256, 25912, 34727, 35629, 38236, 39688, 45346, 48664, 66913, 69454, 71258, 76472, 90692, 133826, 138908, 142516, 181384, 249403, 267652, 277816, 285032, 391919, 498806, 535304, 783838, 997612, 1567676, 1995224, 2743433, 3135352, 5486866, 10973732, 21947464]

約数ペア:

[(1, 21947464), (2, 10973732), (4, 5486866), (7, 3135352), (8, 2743433), (11, 1995224), (14, 1567676), (22, 997612), (28, 783838), (41, 535304), (44, 498806), (56, 391919), (77, 285032), (79, 277816), (82, 267652), (88, 249403), (121, 181384), (154, 142516), (158, 138908), (164, 133826), (242, 90692), (287, 76472), (308, 71258), (316, 69454), (328, 66913), (451, 48664), (484, 45346), (553, 39688), (574, 38236), (616, 35629), (632, 34727), (847, 25912), (869, 25256), (902, 24332), (968, 22673), (1106, 19844), (1148, 19118), (1694, 12956), (1738, 12628), (1804, 12166), (2212, 9922), (2296, 9559), (3157, 6952), (3239, 6776), (3388, 6478), (3476, 6314), (3608, 6083), (4424, 4961)]