21382116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{557}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 57246336

約数和(自身を除く): 35864220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 457, 557, 914, 1114, 1371, 1671, 1828, 2228, 2742, 3199, 3342, 3899, 5484, 6398, 6684, 7798, 9597, 11697, 12796, 15596, 19194, 23394, 38388, 46788, 254549, 509098, 763647, 1018196, 1527294, 1781843, 3054588, 3563686, 5345529, 7127372, 10691058, 21382116]

約数ペア:

[(1, 21382116), (2, 10691058), (3, 7127372), (4, 5345529), (6, 3563686), (7, 3054588), (12, 1781843), (14, 1527294), (21, 1018196), (28, 763647), (42, 509098), (84, 254549), (457, 46788), (557, 38388), (914, 23394), (1114, 19194), (1371, 15596), (1671, 12796), (1828, 11697), (2228, 9597), (2742, 7798), (3199, 6684), (3342, 6398), (3899, 5484)]