21756076

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 39753504

約数和(自身を除く): 17997428

約数列:

[1, 2, 4, 41, 53, 82, 106, 164, 212, 2173, 2503, 4346, 5006, 8692, 10012, 102623, 132659, 205246, 265318, 410492, 530636, 5439019, 10878038, 21756076]

約数ペア:

[(1, 21756076), (2, 10878038), (4, 5439019), (41, 530636), (53, 410492), (82, 265318), (106, 205246), (164, 132659), (212, 102623), (2173, 10012), (2503, 8692), (4346, 5006)]