21252690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10267}}^1$

素因数の和:10303

約数の個数: 48

約数和(自身を含む): 57665088

約数和(自身を除く): 36412398

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 10267, 20534, 30801, 51335, 61602, 92403, 102670, 154005, 184806, 236141, 308010, 462015, 472282, 708423, 924030, 1180705, 1416846, 2125269, 2361410, 3542115, 4250538, 7084230, 10626345, 21252690]

約数ペア:

[(1, 21252690), (2, 10626345), (3, 7084230), (5, 4250538), (6, 3542115), (9, 2361410), (10, 2125269), (15, 1416846), (18, 1180705), (23, 924030), (30, 708423), (45, 472282), (46, 462015), (69, 308010), (90, 236141), (115, 184806), (138, 154005), (207, 102670), (230, 92403), (345, 61602), (414, 51335), (690, 30801), (1035, 20534), (2070, 10267)]