21782430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1399}}^1$

素因数の和:1585

約数の個数: 48

約数和(自身を含む): 57002400

約数和(自身を除く): 35219970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 173, 346, 519, 865, 1038, 1399, 1557, 1730, 2595, 2798, 3114, 4197, 5190, 6995, 7785, 8394, 12591, 13990, 15570, 20985, 25182, 41970, 62955, 125910, 242027, 484054, 726081, 1210135, 1452162, 2178243, 2420270, 3630405, 4356486, 7260810, 10891215, 21782430]

約数ペア:

[(1, 21782430), (2, 10891215), (3, 7260810), (5, 4356486), (6, 3630405), (9, 2420270), (10, 2178243), (15, 1452162), (18, 1210135), (30, 726081), (45, 484054), (90, 242027), (173, 125910), (346, 62955), (519, 41970), (865, 25182), (1038, 20985), (1399, 15570), (1557, 13990), (1730, 12591), (2595, 8394), (2798, 7785), (3114, 6995), (4197, 5190)]