21426496

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^2\times {\mathrm{283}}^1$

素因数の和:328

約数の個数: 84

約数和(自身を含む): 52803552

約数和(自身を除く): 31377056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 169, 182, 208, 224, 283, 338, 364, 416, 448, 566, 676, 728, 832, 1132, 1183, 1352, 1456, 1981, 2264, 2366, 2704, 2912, 3679, 3962, 4528, 4732, 5408, 5824, 7358, 7924, 9056, 9464, 10816, 14716, 15848, 18112, 18928, 25753, 29432, 31696, 37856, 47827, 51506, 58864, 63392, 75712, 95654, 103012, 117728, 126784, 191308, 206024, 235456, 334789, 382616, 412048, 669578, 765232, 824096, 1339156, 1530464, 1648192, 2678312, 3060928, 5356624, 10713248, 21426496]

約数ペア:

[(1, 21426496), (2, 10713248), (4, 5356624), (7, 3060928), (8, 2678312), (13, 1648192), (14, 1530464), (16, 1339156), (26, 824096), (28, 765232), (32, 669578), (52, 412048), (56, 382616), (64, 334789), (91, 235456), (104, 206024), (112, 191308), (169, 126784), (182, 117728), (208, 103012), (224, 95654), (283, 75712), (338, 63392), (364, 58864), (416, 51506), (448, 47827), (566, 37856), (676, 31696), (728, 29432), (832, 25753), (1132, 18928), (1183, 18112), (1352, 15848), (1456, 14716), (1981, 10816), (2264, 9464), (2366, 9056), (2704, 7924), (2912, 7358), (3679, 5824), (3962, 5408), (4528, 4732)]