21200334

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 45586800

約数和(自身を除く): 24386466

約数列:

[1, 2, 3, 6, 29, 37, 58, 74, 87, 89, 111, 174, 178, 222, 267, 534, 1073, 1369, 2146, 2581, 2738, 3219, 3293, 4107, 5162, 6438, 6586, 7743, 8214, 9879, 15486, 19758, 39701, 79402, 95497, 119103, 121841, 190994, 238206, 243682, 286491, 365523, 572982, 731046, 3533389, 7066778, 10600167, 21200334]

約数ペア:

[(1, 21200334), (2, 10600167), (3, 7066778), (6, 3533389), (29, 731046), (37, 572982), (58, 365523), (74, 286491), (87, 243682), (89, 238206), (111, 190994), (174, 121841), (178, 119103), (222, 95497), (267, 79402), (534, 39701), (1073, 19758), (1369, 15486), (2146, 9879), (2581, 8214), (2738, 7743), (3219, 6586), (3293, 6438), (4107, 5162)]