21302325

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 45235200

約数和(自身を除く): 23932875

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 27, 33, 45, 55, 57, 75, 95, 99, 135, 151, 165, 171, 209, 225, 275, 285, 297, 453, 475, 495, 513, 627, 675, 755, 825, 855, 1045, 1359, 1425, 1485, 1661, 1881, 2265, 2475, 2565, 2869, 3135, 3775, 4077, 4275, 4983, 5225, 5643, 6795, 7425, 8305, 8607, 9405, 11325, 12825, 14345, 14949, 15675, 20385, 24915, 25821, 28215, 31559, 33975, 41525, 43035, 44847, 47025, 71725, 74745, 77463, 94677, 101925, 124575, 129105, 141075, 157795, 215175, 224235, 284031, 373725, 387315, 473385, 645525, 788975, 852093, 1121175, 1420155, 1936575, 2366925, 4260465, 7100775, 21302325]

約数ペア:

[(1, 21302325), (3, 7100775), (5, 4260465), (9, 2366925), (11, 1936575), (15, 1420155), (19, 1121175), (25, 852093), (27, 788975), (33, 645525), (45, 473385), (55, 387315), (57, 373725), (75, 284031), (95, 224235), (99, 215175), (135, 157795), (151, 141075), (165, 129105), (171, 124575), (209, 101925), (225, 94677), (275, 77463), (285, 74745), (297, 71725), (453, 47025), (475, 44847), (495, 43035), (513, 41525), (627, 33975), (675, 31559), (755, 28215), (825, 25821), (855, 24915), (1045, 20385), (1359, 15675), (1425, 14949), (1485, 14345), (1661, 12825), (1881, 11325), (2265, 9405), (2475, 8607), (2565, 8305), (2869, 7425), (3135, 6795), (3775, 5643), (4077, 5225), (4275, 4983)]