21190053318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1\times {\mathrm{13963}}^1$

素因数の和:15569

約数の個数: 64

約数和(自身を含む): 50576044032

約数和(自身を除く): 29385990714

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 1571, 3142, 4713, 9426, 10997, 13963, 21994, 27926, 32991, 36133, 41889, 65982, 72266, 83778, 97741, 108399, 195482, 216798, 252931, 293223, 321149, 505862, 586446, 642298, 758793, 963447, 1517586, 1926894, 2248043, 4496086, 6744129, 13488258, 21935873, 43871746, 65807619, 131615238, 153551111, 307102222, 460653333, 504525079, 921306666, 1009050158, 1513575237, 3027150474, 3531675553, 7063351106, 10595026659, 21190053318]

約数ペア:

[(1, 21190053318), (2, 10595026659), (3, 7063351106), (6, 3531675553), (7, 3027150474), (14, 1513575237), (21, 1009050158), (23, 921306666), (42, 504525079), (46, 460653333), (69, 307102222), (138, 153551111), (161, 131615238), (322, 65807619), (483, 43871746), (966, 21935873), (1571, 13488258), (3142, 6744129), (4713, 4496086), (9426, 2248043), (10997, 1926894), (13963, 1517586), (21994, 963447), (27926, 758793), (32991, 642298), (36133, 586446), (41889, 505862), (65982, 321149), (72266, 293223), (83778, 252931), (97741, 216798), (108399, 195482)]