21915693771

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{617}}^1\times {\mathrm{1097}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 30095670528

約数和(自身を除く): 8179976757

約数列:

[1, 3, 43, 129, 251, 617, 753, 1097, 1851, 3291, 10793, 26531, 32379, 47171, 79593, 141513, 154867, 275347, 464601, 676849, 826041, 2030547, 6659281, 11839921, 19977843, 29104507, 35519763, 87313521, 169889099, 509667297, 7305231257, 21915693771]

約数ペア:

[(1, 21915693771), (3, 7305231257), (43, 509667297), (129, 169889099), (251, 87313521), (617, 35519763), (753, 29104507), (1097, 19977843), (1851, 11839921), (3291, 6659281), (10793, 2030547), (26531, 826041), (32379, 676849), (47171, 464601), (79593, 275347), (141513, 154867)]