21197160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1033}}^1$

素因数の和:1072

約数の個数: 128

約数和(自身を含む): 74448000

約数和(自身を除く): 53250840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1033, 1080, 1140, 1368, 1710, 2052, 2066, 2280, 2565, 3099, 3420, 4104, 4132, 5130, 5165, 6198, 6840, 8264, 9297, 10260, 10330, 12396, 15495, 18594, 19627, 20520, 20660, 24792, 27891, 30990, 37188, 39254, 41320, 46485, 55782, 58881, 61980, 74376, 78508, 92970, 98135, 111564, 117762, 123960, 139455, 157016, 176643, 185940, 196270, 223128, 235524, 278910, 294405, 353286, 371880, 392540, 471048, 529929, 557820, 588810, 706572, 785080, 883215, 1059858, 1115640, 1177620, 1413144, 1766430, 2119716, 2355240, 2649645, 3532860, 4239432, 5299290, 7065720, 10598580, 21197160]

約数ペア:

[(1, 21197160), (2, 10598580), (3, 7065720), (4, 5299290), (5, 4239432), (6, 3532860), (8, 2649645), (9, 2355240), (10, 2119716), (12, 1766430), (15, 1413144), (18, 1177620), (19, 1115640), (20, 1059858), (24, 883215), (27, 785080), (30, 706572), (36, 588810), (38, 557820), (40, 529929), (45, 471048), (54, 392540), (57, 371880), (60, 353286), (72, 294405), (76, 278910), (90, 235524), (95, 223128), (108, 196270), (114, 185940), (120, 176643), (135, 157016), (152, 139455), (171, 123960), (180, 117762), (190, 111564), (216, 98135), (228, 92970), (270, 78508), (285, 74376), (342, 61980), (360, 58881), (380, 55782), (456, 46485), (513, 41320), (540, 39254), (570, 37188), (684, 30990), (760, 27891), (855, 24792), (1026, 20660), (1033, 20520), (1080, 19627), (1140, 18594), (1368, 15495), (1710, 12396), (2052, 10330), (2066, 10260), (2280, 9297), (2565, 8264), (3099, 6840), (3420, 6198), (4104, 5165), (4132, 5130)]