21406770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3089}}^1$

素因数の和:3120

約数の個数: 96

約数和(自身を含む): 69413760

約数和(自身を除く): 48006990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 154, 165, 198, 210, 231, 315, 330, 385, 462, 495, 630, 693, 770, 990, 1155, 1386, 2310, 3089, 3465, 6178, 6930, 9267, 15445, 18534, 21623, 27801, 30890, 33979, 43246, 46335, 55602, 64869, 67958, 92670, 101937, 108115, 129738, 139005, 169895, 194607, 203874, 216230, 237853, 278010, 305811, 324345, 339790, 389214, 475706, 509685, 611622, 648690, 713559, 973035, 1019370, 1189265, 1427118, 1529055, 1946070, 2140677, 2378530, 3058110, 3567795, 4281354, 7135590, 10703385, 21406770]

約数ペア:

[(1, 21406770), (2, 10703385), (3, 7135590), (5, 4281354), (6, 3567795), (7, 3058110), (9, 2378530), (10, 2140677), (11, 1946070), (14, 1529055), (15, 1427118), (18, 1189265), (21, 1019370), (22, 973035), (30, 713559), (33, 648690), (35, 611622), (42, 509685), (45, 475706), (55, 389214), (63, 339790), (66, 324345), (70, 305811), (77, 278010), (90, 237853), (99, 216230), (105, 203874), (110, 194607), (126, 169895), (154, 139005), (165, 129738), (198, 108115), (210, 101937), (231, 92670), (315, 67958), (330, 64869), (385, 55602), (462, 46335), (495, 43246), (630, 33979), (693, 30890), (770, 27801), (990, 21623), (1155, 18534), (1386, 15445), (2310, 9267), (3089, 6930), (3465, 6178)]