21097907916

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1\times {\mathrm{77867}}^1$

素因数の和:78278

約数の個数: 48

約数和(自身を含む): 50112107136

約数和(自身を除く): 29014199220

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 337, 402, 674, 804, 1011, 1348, 2022, 4044, 22579, 45158, 67737, 77867, 90316, 135474, 155734, 233601, 270948, 311468, 467202, 934404, 5217089, 10434178, 15651267, 20868356, 26241179, 31302534, 52482358, 62605068, 78723537, 104964716, 157447074, 314894148, 1758158993, 3516317986, 5274476979, 7032635972, 10548953958, 21097907916]

約数ペア:

[(1, 21097907916), (2, 10548953958), (3, 7032635972), (4, 5274476979), (6, 3516317986), (12, 1758158993), (67, 314894148), (134, 157447074), (201, 104964716), (268, 78723537), (337, 62605068), (402, 52482358), (674, 31302534), (804, 26241179), (1011, 20868356), (1348, 15651267), (2022, 10434178), (4044, 5217089), (22579, 934404), (45158, 467202), (67737, 311468), (77867, 270948), (90316, 233601), (135474, 155734)]