21103698340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3467}}^1\times {\mathrm{17903}}^1$

素因数の和:21396

約数の個数: 48

約数和(自身を含む): 46940850432

約数和(自身を除く): 25837152092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3467, 6934, 13868, 17335, 17903, 34670, 35806, 58939, 69340, 71612, 89515, 117878, 179030, 235756, 294695, 304351, 358060, 589390, 608702, 1178780, 1217404, 1521755, 3043510, 6087020, 62069701, 124139402, 248278804, 310348505, 620697010, 1055184917, 1241394020, 2110369834, 4220739668, 5275924585, 10551849170, 21103698340]

約数ペア:

[(1, 21103698340), (2, 10551849170), (4, 5275924585), (5, 4220739668), (10, 2110369834), (17, 1241394020), (20, 1055184917), (34, 620697010), (68, 310348505), (85, 248278804), (170, 124139402), (340, 62069701), (3467, 6087020), (6934, 3043510), (13868, 1521755), (17335, 1217404), (17903, 1178780), (34670, 608702), (35806, 589390), (58939, 358060), (69340, 304351), (71612, 294695), (89515, 235756), (117878, 179030)]