21682304

素因数分解:

$2^7\times 7^2\times {\mathrm{3457}}^1$

素因数の和:3485

約数の個数: 48

約数和(自身を含む): 50262030

約数和(自身を除く): 28579726

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 3457, 6272, 6914, 13828, 24199, 27656, 48398, 55312, 96796, 110624, 169393, 193592, 221248, 338786, 387184, 442496, 677572, 774368, 1355144, 1548736, 2710288, 3097472, 5420576, 10841152, 21682304]

約数ペア:

[(1, 21682304), (2, 10841152), (4, 5420576), (7, 3097472), (8, 2710288), (14, 1548736), (16, 1355144), (28, 774368), (32, 677572), (49, 442496), (56, 387184), (64, 338786), (98, 221248), (112, 193592), (128, 169393), (196, 110624), (224, 96796), (392, 55312), (448, 48398), (784, 27656), (896, 24199), (1568, 13828), (3136, 6914), (3457, 6272)]