21823875

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1061

約数の個数: 48

約数和(自身を含む): 41452320

約数和(自身を除く): 19628445

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 855, 1021, 1125, 1425, 2375, 3063, 4275, 5105, 7125, 9189, 15315, 19399, 21375, 25525, 45945, 58197, 76575, 96995, 127625, 174591, 229725, 290985, 382875, 484975, 872955, 1148625, 1454925, 2424875, 4364775, 7274625, 21823875]

約数ペア:

[(1, 21823875), (3, 7274625), (5, 4364775), (9, 2424875), (15, 1454925), (19, 1148625), (25, 872955), (45, 484975), (57, 382875), (75, 290985), (95, 229725), (125, 174591), (171, 127625), (225, 96995), (285, 76575), (375, 58197), (475, 45945), (855, 25525), (1021, 21375), (1125, 19399), (1425, 15315), (2375, 9189), (3063, 7125), (4275, 5105)]