21512304

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{503}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 68245632

約数和(自身を除く): 46733328

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 297, 324, 396, 432, 486, 503, 528, 594, 648, 792, 891, 972, 1006, 1188, 1296, 1509, 1584, 1782, 1944, 2012, 2376, 2673, 3018, 3564, 3888, 4024, 4527, 4752, 5346, 5533, 6036, 7128, 8048, 9054, 10692, 11066, 12072, 13581, 14256, 16599, 18108, 21384, 22132, 24144, 27162, 33198, 36216, 40743, 42768, 44264, 49797, 54324, 66396, 72432, 81486, 88528, 99594, 108648, 122229, 132792, 149391, 162972, 199188, 217296, 244458, 265584, 298782, 325944, 398376, 448173, 488916, 597564, 651888, 796752, 896346, 977832, 1195128, 1344519, 1792692, 1955664, 2390256, 2689038, 3585384, 5378076, 7170768, 10756152, 21512304]

約数ペア:

[(1, 21512304), (2, 10756152), (3, 7170768), (4, 5378076), (6, 3585384), (8, 2689038), (9, 2390256), (11, 1955664), (12, 1792692), (16, 1344519), (18, 1195128), (22, 977832), (24, 896346), (27, 796752), (33, 651888), (36, 597564), (44, 488916), (48, 448173), (54, 398376), (66, 325944), (72, 298782), (81, 265584), (88, 244458), (99, 217296), (108, 199188), (132, 162972), (144, 149391), (162, 132792), (176, 122229), (198, 108648), (216, 99594), (243, 88528), (264, 81486), (297, 72432), (324, 66396), (396, 54324), (432, 49797), (486, 44264), (503, 42768), (528, 40743), (594, 36216), (648, 33198), (792, 27162), (891, 24144), (972, 22132), (1006, 21384), (1188, 18108), (1296, 16599), (1509, 14256), (1584, 13581), (1782, 12072), (1944, 11066), (2012, 10692), (2376, 9054), (2673, 8048), (3018, 7128), (3564, 6036), (3888, 5533), (4024, 5346), (4527, 4752)]