21996468

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15667}}^1$

素因数の和:15693

約数の個数: 48

約数和(自身を含む): 61418560

約数和(自身を除く): 39422092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15667, 31334, 47001, 62668, 94002, 141003, 188004, 203671, 282006, 407342, 423009, 564012, 611013, 814684, 846018, 1222026, 1692036, 1833039, 2444052, 3666078, 5499117, 7332156, 10998234, 21996468]

約数ペア:

[(1, 21996468), (2, 10998234), (3, 7332156), (4, 5499117), (6, 3666078), (9, 2444052), (12, 1833039), (13, 1692036), (18, 1222026), (26, 846018), (27, 814684), (36, 611013), (39, 564012), (52, 423009), (54, 407342), (78, 282006), (108, 203671), (117, 188004), (156, 141003), (234, 94002), (351, 62668), (468, 47001), (702, 31334), (1404, 15667)]