21795405

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 36180864

約数和(自身を除く): 14385459

約数列:

[1, 3, 5, 15, 37, 111, 173, 185, 227, 519, 555, 681, 865, 1135, 2595, 3405, 6401, 8399, 19203, 25197, 32005, 39271, 41995, 96015, 117813, 125985, 196355, 589065, 1453027, 4359081, 7265135, 21795405]

約数ペア:

[(1, 21795405), (3, 7265135), (5, 4359081), (15, 1453027), (37, 589065), (111, 196355), (173, 125985), (185, 117813), (227, 96015), (519, 41995), (555, 39271), (681, 32005), (865, 25197), (1135, 19203), (2595, 8399), (3405, 6401)]