21000466395

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{463433}}^1$

素因数の和:463516

約数の個数: 48

約数和(自身を含む): 39039680160

約数和(自身を除く): 18039213765

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 477, 795, 855, 1007, 2385, 3021, 5035, 9063, 15105, 45315, 463433, 1390299, 2317165, 4170897, 6951495, 8805227, 20854485, 24561949, 26415681, 44026135, 73685847, 79247043, 122809745, 132078405, 221057541, 368429235, 396235215, 466677031, 1105287705, 1400031093, 2333385155, 4200093279, 7000155465, 21000466395]

約数ペア:

[(1, 21000466395), (3, 7000155465), (5, 4200093279), (9, 2333385155), (15, 1400031093), (19, 1105287705), (45, 466677031), (53, 396235215), (57, 368429235), (95, 221057541), (159, 132078405), (171, 122809745), (265, 79247043), (285, 73685847), (477, 44026135), (795, 26415681), (855, 24561949), (1007, 20854485), (2385, 8805227), (3021, 6951495), (5035, 4170897), (9063, 2317165), (15105, 1390299), (45315, 463433)]