21130693060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{30403}}^1$

素因数の和:30521

約数の個数: 96

約数和(自身を含む): 49035571200

約数和(自身を除く): 27904878140

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 59, 62, 76, 95, 118, 124, 155, 190, 236, 295, 310, 380, 589, 590, 620, 1121, 1178, 1180, 1829, 2242, 2356, 2945, 3658, 4484, 5605, 5890, 7316, 9145, 11210, 11780, 18290, 22420, 30403, 34751, 36580, 60806, 69502, 121612, 139004, 152015, 173755, 304030, 347510, 577657, 608060, 695020, 942493, 1155314, 1793777, 1884986, 2310628, 2888285, 3587554, 3769972, 4712465, 5776570, 7175108, 8968885, 9424930, 11553140, 17907367, 17937770, 18849860, 34081763, 35814734, 35875540, 55607087, 68163526, 71629468, 89536835, 111214174, 136327052, 170408815, 179073670, 222428348, 278035435, 340817630, 358147340, 556070870, 681635260, 1056534653, 1112141740, 2113069306, 4226138612, 5282673265, 10565346530, 21130693060]

約数ペア:

[(1, 21130693060), (2, 10565346530), (4, 5282673265), (5, 4226138612), (10, 2113069306), (19, 1112141740), (20, 1056534653), (31, 681635260), (38, 556070870), (59, 358147340), (62, 340817630), (76, 278035435), (95, 222428348), (118, 179073670), (124, 170408815), (155, 136327052), (190, 111214174), (236, 89536835), (295, 71629468), (310, 68163526), (380, 55607087), (589, 35875540), (590, 35814734), (620, 34081763), (1121, 18849860), (1178, 17937770), (1180, 17907367), (1829, 11553140), (2242, 9424930), (2356, 8968885), (2945, 7175108), (3658, 5776570), (4484, 4712465), (5605, 3769972), (5890, 3587554), (7316, 2888285), (9145, 2310628), (11210, 1884986), (11780, 1793777), (18290, 1155314), (22420, 942493), (30403, 695020), (34751, 608060), (36580, 577657), (60806, 347510), (69502, 304030), (121612, 173755), (139004, 152015)]