21034216

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 27436184

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 53, 56, 76, 106, 133, 152, 212, 266, 371, 373, 424, 532, 742, 746, 1007, 1064, 1484, 1492, 2014, 2611, 2968, 2984, 4028, 5222, 7049, 7087, 8056, 10444, 14098, 14174, 19769, 20888, 28196, 28348, 39538, 49609, 56392, 56696, 79076, 99218, 138383, 158152, 198436, 276766, 375611, 396872, 553532, 751222, 1107064, 1502444, 2629277, 3004888, 5258554, 10517108, 21034216]

約数ペア:

[(1, 21034216), (2, 10517108), (4, 5258554), (7, 3004888), (8, 2629277), (14, 1502444), (19, 1107064), (28, 751222), (38, 553532), (53, 396872), (56, 375611), (76, 276766), (106, 198436), (133, 158152), (152, 138383), (212, 99218), (266, 79076), (371, 56696), (373, 56392), (424, 49609), (532, 39538), (742, 28348), (746, 28196), (1007, 20888), (1064, 19769), (1484, 14174), (1492, 14098), (2014, 10444), (2611, 8056), (2968, 7087), (2984, 7049), (4028, 5222)]