21920832

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2040

約数の個数: 84

約数和(自身を含む): 66172080

約数和(自身を除く): 44251248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 144, 152, 171, 192, 228, 288, 304, 342, 456, 576, 608, 684, 912, 1216, 1368, 1824, 2003, 2736, 3648, 4006, 5472, 6009, 8012, 10944, 12018, 16024, 18027, 24036, 32048, 36054, 38057, 48072, 64096, 72108, 76114, 96144, 114171, 128192, 144216, 152228, 192288, 228342, 288432, 304456, 342513, 384576, 456684, 576864, 608912, 685026, 913368, 1153728, 1217824, 1370052, 1826736, 2435648, 2740104, 3653472, 5480208, 7306944, 10960416, 21920832]

約数ペア:

[(1, 21920832), (2, 10960416), (3, 7306944), (4, 5480208), (6, 3653472), (8, 2740104), (9, 2435648), (12, 1826736), (16, 1370052), (18, 1217824), (19, 1153728), (24, 913368), (32, 685026), (36, 608912), (38, 576864), (48, 456684), (57, 384576), (64, 342513), (72, 304456), (76, 288432), (96, 228342), (114, 192288), (144, 152228), (152, 144216), (171, 128192), (192, 114171), (228, 96144), (288, 76114), (304, 72108), (342, 64096), (456, 48072), (576, 38057), (608, 36054), (684, 32048), (912, 24036), (1216, 18027), (1368, 16024), (1824, 12018), (2003, 10944), (2736, 8012), (3648, 6009), (4006, 5472)]