21931287950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{22067}}^1$

素因数の和:22242

約数の個数: 96

約数和(自身を含む): 48270660480

約数和(自身を除く): 26339372530

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 139, 143, 275, 278, 286, 325, 550, 650, 695, 715, 1390, 1430, 1529, 1807, 3058, 3475, 3575, 3614, 6950, 7150, 7645, 9035, 15290, 18070, 19877, 22067, 38225, 39754, 44134, 45175, 76450, 90350, 99385, 110335, 198770, 220670, 242737, 286871, 485474, 496925, 551675, 573742, 993850, 1103350, 1213685, 1434355, 2427370, 2868710, 3067313, 3155581, 6068425, 6134626, 6311162, 7171775, 12136850, 14343550, 15336565, 15777905, 30673130, 31555810, 33740443, 39875069, 67480886, 76682825, 78889525, 79750138, 153365650, 157779050, 168702215, 199375345, 337404430, 398750690, 438625759, 843511075, 877251518, 996876725, 1687022150, 1993753450, 2193128795, 4386257590, 10965643975, 21931287950]

約数ペア:

[(1, 21931287950), (2, 10965643975), (5, 4386257590), (10, 2193128795), (11, 1993753450), (13, 1687022150), (22, 996876725), (25, 877251518), (26, 843511075), (50, 438625759), (55, 398750690), (65, 337404430), (110, 199375345), (130, 168702215), (139, 157779050), (143, 153365650), (275, 79750138), (278, 78889525), (286, 76682825), (325, 67480886), (550, 39875069), (650, 33740443), (695, 31555810), (715, 30673130), (1390, 15777905), (1430, 15336565), (1529, 14343550), (1807, 12136850), (3058, 7171775), (3475, 6311162), (3575, 6134626), (3614, 6068425), (6950, 3155581), (7150, 3067313), (7645, 2868710), (9035, 2427370), (15290, 1434355), (18070, 1213685), (19877, 1103350), (22067, 993850), (38225, 573742), (39754, 551675), (44134, 496925), (45175, 485474), (76450, 286871), (90350, 242737), (99385, 220670), (110335, 198770)]