21128760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3089}}^1$

素因数の和:3125

約数の個数: 96

約数和(自身を含む): 72306000

約数和(自身を除く): 51177240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3089, 3420, 6178, 6840, 9267, 12356, 15445, 18534, 24712, 27801, 30890, 37068, 46335, 55602, 58691, 61780, 74136, 92670, 111204, 117382, 123560, 139005, 176073, 185340, 222408, 234764, 278010, 293455, 352146, 370680, 469528, 528219, 556020, 586910, 704292, 880365, 1056438, 1112040, 1173820, 1408584, 1760730, 2112876, 2347640, 2641095, 3521460, 4225752, 5282190, 7042920, 10564380, 21128760]

約数ペア:

[(1, 21128760), (2, 10564380), (3, 7042920), (4, 5282190), (5, 4225752), (6, 3521460), (8, 2641095), (9, 2347640), (10, 2112876), (12, 1760730), (15, 1408584), (18, 1173820), (19, 1112040), (20, 1056438), (24, 880365), (30, 704292), (36, 586910), (38, 556020), (40, 528219), (45, 469528), (57, 370680), (60, 352146), (72, 293455), (76, 278010), (90, 234764), (95, 222408), (114, 185340), (120, 176073), (152, 139005), (171, 123560), (180, 117382), (190, 111204), (228, 92670), (285, 74136), (342, 61780), (360, 58691), (380, 55602), (456, 46335), (570, 37068), (684, 30890), (760, 27801), (855, 24712), (1140, 18534), (1368, 15445), (1710, 12356), (2280, 9267), (3089, 6840), (3420, 6178)]