21180496558

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{461}}^1\times {\mathrm{751}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 34713911232

約数和(自身を除く): 13533414674

約数列:

[1, 2, 13, 26, 169, 181, 338, 362, 461, 751, 922, 1502, 2353, 4706, 5993, 9763, 11986, 19526, 30589, 61178, 77909, 83441, 126919, 135931, 155818, 166882, 253838, 271862, 346211, 692422, 1084733, 1767103, 2169466, 3534206, 4500743, 9001486, 14101529, 22972339, 28203058, 45944678, 58509659, 62664191, 117019318, 125328382, 814634483, 1629268966, 10590248279, 21180496558]

約数ペア:

[(1, 21180496558), (2, 10590248279), (13, 1629268966), (26, 814634483), (169, 125328382), (181, 117019318), (338, 62664191), (362, 58509659), (461, 45944678), (751, 28203058), (922, 22972339), (1502, 14101529), (2353, 9001486), (4706, 4500743), (5993, 3534206), (9763, 2169466), (11986, 1767103), (19526, 1084733), (30589, 692422), (61178, 346211), (77909, 271862), (83441, 253838), (126919, 166882), (135931, 155818)]