21224340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1933}}^1$

素因数の和:2009

約数の個数: 72

約数和(自身を含む): 65469768

約数和(自身を除く): 44245428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 1933, 2196, 2745, 3660, 3866, 5490, 5799, 7732, 9665, 10980, 11598, 17397, 19330, 23196, 28995, 34794, 38660, 57990, 69588, 86985, 115980, 117913, 173970, 235826, 347940, 353739, 471652, 589565, 707478, 1061217, 1179130, 1414956, 1768695, 2122434, 2358260, 3537390, 4244868, 5306085, 7074780, 10612170, 21224340]

約数ペア:

[(1, 21224340), (2, 10612170), (3, 7074780), (4, 5306085), (5, 4244868), (6, 3537390), (9, 2358260), (10, 2122434), (12, 1768695), (15, 1414956), (18, 1179130), (20, 1061217), (30, 707478), (36, 589565), (45, 471652), (60, 353739), (61, 347940), (90, 235826), (122, 173970), (180, 117913), (183, 115980), (244, 86985), (305, 69588), (366, 57990), (549, 38660), (610, 34794), (732, 28995), (915, 23196), (1098, 19330), (1220, 17397), (1830, 11598), (1933, 10980), (2196, 9665), (2745, 7732), (3660, 5799), (3866, 5490)]