21755970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4561}}^1$

素因数の和:4627

約数の個数: 48

約数和(自身を含む): 57645432

約数和(自身を除く): 35889462

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4561, 4770, 9122, 13683, 22805, 27366, 41049, 45610, 68415, 82098, 136830, 205245, 241733, 410490, 483466, 725199, 1208665, 1450398, 2175597, 2417330, 3625995, 4351194, 7251990, 10877985, 21755970]

約数ペア:

[(1, 21755970), (2, 10877985), (3, 7251990), (5, 4351194), (6, 3625995), (9, 2417330), (10, 2175597), (15, 1450398), (18, 1208665), (30, 725199), (45, 483466), (53, 410490), (90, 241733), (106, 205245), (159, 136830), (265, 82098), (318, 68415), (477, 45610), (530, 41049), (795, 27366), (954, 22805), (1590, 13683), (2385, 9122), (4561, 4770)]