21879792

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:771

約数の個数: 120

約数和(自身を含む): 70412160

約数和(自身を除く): 48532368

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 33, 36, 38, 44, 48, 57, 66, 72, 76, 88, 99, 114, 132, 144, 152, 171, 176, 198, 209, 228, 264, 304, 342, 396, 418, 456, 528, 627, 684, 727, 792, 836, 912, 1254, 1368, 1454, 1584, 1672, 1881, 2181, 2508, 2736, 2908, 3344, 3762, 4362, 5016, 5816, 6543, 7524, 7997, 8724, 10032, 11632, 13086, 13813, 15048, 15994, 17448, 23991, 26172, 27626, 30096, 31988, 34896, 41439, 47982, 52344, 55252, 63976, 71973, 82878, 95964, 104688, 110504, 124317, 127952, 143946, 151943, 165756, 191928, 221008, 248634, 287892, 303886, 331512, 383856, 455829, 497268, 575784, 607772, 663024, 911658, 994536, 1151568, 1215544, 1367487, 1823316, 1989072, 2431088, 2734974, 3646632, 5469948, 7293264, 10939896, 21879792]

約数ペア:

[(1, 21879792), (2, 10939896), (3, 7293264), (4, 5469948), (6, 3646632), (8, 2734974), (9, 2431088), (11, 1989072), (12, 1823316), (16, 1367487), (18, 1215544), (19, 1151568), (22, 994536), (24, 911658), (33, 663024), (36, 607772), (38, 575784), (44, 497268), (48, 455829), (57, 383856), (66, 331512), (72, 303886), (76, 287892), (88, 248634), (99, 221008), (114, 191928), (132, 165756), (144, 151943), (152, 143946), (171, 127952), (176, 124317), (198, 110504), (209, 104688), (228, 95964), (264, 82878), (304, 71973), (342, 63976), (396, 55252), (418, 52344), (456, 47982), (528, 41439), (627, 34896), (684, 31988), (727, 30096), (792, 27626), (836, 26172), (912, 23991), (1254, 17448), (1368, 15994), (1454, 15048), (1584, 13813), (1672, 13086), (1881, 11632), (2181, 10032), (2508, 8724), (2736, 7997), (2908, 7524), (3344, 6543), (3762, 5816), (4362, 5016)]