21762390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1425

約数の個数: 64

約数和(自身を含む): 57661632

約数和(自身を除く): 35899242

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1361, 1599, 2665, 2722, 3198, 4083, 5330, 6805, 7995, 8166, 13610, 15990, 17693, 20415, 35386, 40830, 53079, 55801, 88465, 106158, 111602, 167403, 176930, 265395, 279005, 334806, 530790, 558010, 725413, 837015, 1450826, 1674030, 2176239, 3627065, 4352478, 7254130, 10881195, 21762390]

約数ペア:

[(1, 21762390), (2, 10881195), (3, 7254130), (5, 4352478), (6, 3627065), (10, 2176239), (13, 1674030), (15, 1450826), (26, 837015), (30, 725413), (39, 558010), (41, 530790), (65, 334806), (78, 279005), (82, 265395), (123, 176930), (130, 167403), (195, 111602), (205, 106158), (246, 88465), (390, 55801), (410, 53079), (533, 40830), (615, 35386), (1066, 20415), (1230, 17693), (1361, 15990), (1599, 13610), (2665, 8166), (2722, 7995), (3198, 6805), (4083, 5330)]