21956940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 69370560

約数和(自身を除く): 47413620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 540, 557, 657, 730, 876, 1095, 1114, 1314, 1460, 1671, 1971, 2190, 2228, 2628, 2785, 3285, 3342, 3942, 4380, 5013, 5570, 6570, 6684, 7884, 8355, 9855, 10026, 11140, 13140, 15039, 16710, 19710, 20052, 25065, 30078, 33420, 39420, 40661, 50130, 60156, 75195, 81322, 100260, 121983, 150390, 162644, 203305, 243966, 300780, 365949, 406610, 487932, 609915, 731898, 813220, 1097847, 1219830, 1463796, 1829745, 2195694, 2439660, 3659490, 4391388, 5489235, 7318980, 10978470, 21956940]

約数ペア:

[(1, 21956940), (2, 10978470), (3, 7318980), (4, 5489235), (5, 4391388), (6, 3659490), (9, 2439660), (10, 2195694), (12, 1829745), (15, 1463796), (18, 1219830), (20, 1097847), (27, 813220), (30, 731898), (36, 609915), (45, 487932), (54, 406610), (60, 365949), (73, 300780), (90, 243966), (108, 203305), (135, 162644), (146, 150390), (180, 121983), (219, 100260), (270, 81322), (292, 75195), (365, 60156), (438, 50130), (540, 40661), (557, 39420), (657, 33420), (730, 30078), (876, 25065), (1095, 20052), (1114, 19710), (1314, 16710), (1460, 15039), (1671, 13140), (1971, 11140), (2190, 10026), (2228, 9855), (2628, 8355), (2785, 7884), (3285, 6684), (3342, 6570), (3942, 5570), (4380, 5013)]