21684672

素因数分解:

$2^6\times 3^4\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 140

約数和(自身を含む): 66385440

約数和(自身を除く): 44700768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 81, 89, 94, 96, 108, 141, 144, 162, 178, 188, 192, 216, 267, 282, 288, 324, 356, 376, 423, 432, 534, 564, 576, 648, 712, 752, 801, 846, 864, 1068, 1128, 1269, 1296, 1424, 1504, 1602, 1692, 1728, 2136, 2256, 2403, 2538, 2592, 2848, 3008, 3204, 3384, 3807, 4183, 4272, 4512, 4806, 5076, 5184, 5696, 6408, 6768, 7209, 7614, 8366, 8544, 9024, 9612, 10152, 12549, 12816, 13536, 14418, 15228, 16732, 17088, 19224, 20304, 25098, 25632, 27072, 28836, 30456, 33464, 37647, 38448, 40608, 50196, 51264, 57672, 60912, 66928, 75294, 76896, 81216, 100392, 112941, 115344, 121824, 133856, 150588, 153792, 200784, 225882, 230688, 243648, 267712, 301176, 338823, 401568, 451764, 461376, 602352, 677646, 803136, 903528, 1204704, 1355292, 1807056, 2409408, 2710584, 3614112, 5421168, 7228224, 10842336, 21684672]

約数ペア:

[(1, 21684672), (2, 10842336), (3, 7228224), (4, 5421168), (6, 3614112), (8, 2710584), (9, 2409408), (12, 1807056), (16, 1355292), (18, 1204704), (24, 903528), (27, 803136), (32, 677646), (36, 602352), (47, 461376), (48, 451764), (54, 401568), (64, 338823), (72, 301176), (81, 267712), (89, 243648), (94, 230688), (96, 225882), (108, 200784), (141, 153792), (144, 150588), (162, 133856), (178, 121824), (188, 115344), (192, 112941), (216, 100392), (267, 81216), (282, 76896), (288, 75294), (324, 66928), (356, 60912), (376, 57672), (423, 51264), (432, 50196), (534, 40608), (564, 38448), (576, 37647), (648, 33464), (712, 30456), (752, 28836), (801, 27072), (846, 25632), (864, 25098), (1068, 20304), (1128, 19224), (1269, 17088), (1296, 16732), (1424, 15228), (1504, 14418), (1602, 13536), (1692, 12816), (1728, 12549), (2136, 10152), (2256, 9612), (2403, 9024), (2538, 8544), (2592, 8366), (2848, 7614), (3008, 7209), (3204, 6768), (3384, 6408), (3807, 5696), (4183, 5184), (4272, 5076), (4512, 4806)]