21060973908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{118739}}^1$

素因数の和:119141

約数の個数: 72

約数和(自身を含む): 57484408800

約数和(自身を除く): 36423434892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 379, 468, 758, 1137, 1516, 2274, 3411, 4548, 4927, 6822, 9854, 13644, 14781, 19708, 29562, 44343, 59124, 88686, 118739, 177372, 237478, 356217, 474956, 712434, 1068651, 1424868, 1543607, 2137302, 3087214, 4274604, 4630821, 6174428, 9261642, 13892463, 18523284, 27784926, 45002081, 55569852, 90004162, 135006243, 180008324, 270012486, 405018729, 540024972, 585027053, 810037458, 1170054106, 1620074916, 1755081159, 2340108212, 3510162318, 5265243477, 7020324636, 10530486954, 21060973908]

約数ペア:

[(1, 21060973908), (2, 10530486954), (3, 7020324636), (4, 5265243477), (6, 3510162318), (9, 2340108212), (12, 1755081159), (13, 1620074916), (18, 1170054106), (26, 810037458), (36, 585027053), (39, 540024972), (52, 405018729), (78, 270012486), (117, 180008324), (156, 135006243), (234, 90004162), (379, 55569852), (468, 45002081), (758, 27784926), (1137, 18523284), (1516, 13892463), (2274, 9261642), (3411, 6174428), (4548, 4630821), (4927, 4274604), (6822, 3087214), (9854, 2137302), (13644, 1543607), (14781, 1424868), (19708, 1068651), (29562, 712434), (44343, 474956), (59124, 356217), (88686, 237478), (118739, 177372)]