21097670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 23692090

約数列:

[1, 2, 5, 10, 11, 22, 23, 31, 46, 55, 62, 110, 115, 155, 230, 253, 269, 310, 341, 506, 538, 682, 713, 1265, 1345, 1426, 1705, 2530, 2690, 2959, 3410, 3565, 5918, 6187, 7130, 7843, 8339, 12374, 14795, 15686, 16678, 29590, 30935, 39215, 41695, 61870, 68057, 78430, 83390, 91729, 136114, 183458, 191797, 340285, 383594, 458645, 680570, 917290, 958985, 1917970, 2109767, 4219534, 10548835, 21097670]

約数ペア:

[(1, 21097670), (2, 10548835), (5, 4219534), (10, 2109767), (11, 1917970), (22, 958985), (23, 917290), (31, 680570), (46, 458645), (55, 383594), (62, 340285), (110, 191797), (115, 183458), (155, 136114), (230, 91729), (253, 83390), (269, 78430), (310, 68057), (341, 61870), (506, 41695), (538, 39215), (682, 30935), (713, 29590), (1265, 16678), (1345, 15686), (1426, 14795), (1705, 12374), (2530, 8339), (2690, 7843), (2959, 7130), (3410, 6187), (3565, 5918)]