21686910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14753}}^1$

素因数の和:14777

約数の個数: 48

約数和(自身を含む): 60550416

約数和(自身を除く): 38863506

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14753, 29506, 44259, 73765, 88518, 103271, 147530, 206542, 221295, 309813, 442590, 516355, 619626, 722897, 1032710, 1445794, 1549065, 2168691, 3098130, 3614485, 4337382, 7228970, 10843455, 21686910]

約数ペア:

[(1, 21686910), (2, 10843455), (3, 7228970), (5, 4337382), (6, 3614485), (7, 3098130), (10, 2168691), (14, 1549065), (15, 1445794), (21, 1032710), (30, 722897), (35, 619626), (42, 516355), (49, 442590), (70, 309813), (98, 221295), (105, 206542), (147, 147530), (210, 103271), (245, 88518), (294, 73765), (490, 44259), (735, 29506), (1470, 14753)]