21090212028

素因数分解:

$2^2\times 3^7\times {\mathrm{67}}^1\times {\mathrm{35983}}^1$

素因数の和:36075

約数の個数: 96

約数和(自身を含む): 56181099520

約数和(自身を除く): 35090887492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 243, 268, 324, 402, 486, 603, 729, 804, 972, 1206, 1458, 1809, 2187, 2412, 2916, 3618, 4374, 5427, 7236, 8748, 10854, 16281, 21708, 32562, 35983, 48843, 65124, 71966, 97686, 107949, 143932, 146529, 195372, 215898, 293058, 323847, 431796, 586116, 647694, 971541, 1295388, 1943082, 2410861, 2914623, 3886164, 4821722, 5829246, 7232583, 8743869, 9643444, 11658492, 14465166, 17487738, 21697749, 26231607, 28930332, 34975476, 43395498, 52463214, 65093247, 78694821, 86790996, 104926428, 130186494, 157389642, 195279741, 260372988, 314779284, 390559482, 585839223, 781118964, 1171678446, 1757517669, 2343356892, 3515035338, 5272553007, 7030070676, 10545106014, 21090212028]

約数ペア:

[(1, 21090212028), (2, 10545106014), (3, 7030070676), (4, 5272553007), (6, 3515035338), (9, 2343356892), (12, 1757517669), (18, 1171678446), (27, 781118964), (36, 585839223), (54, 390559482), (67, 314779284), (81, 260372988), (108, 195279741), (134, 157389642), (162, 130186494), (201, 104926428), (243, 86790996), (268, 78694821), (324, 65093247), (402, 52463214), (486, 43395498), (603, 34975476), (729, 28930332), (804, 26231607), (972, 21697749), (1206, 17487738), (1458, 14465166), (1809, 11658492), (2187, 9643444), (2412, 8743869), (2916, 7232583), (3618, 5829246), (4374, 4821722), (5427, 3886164), (7236, 2914623), (8748, 2410861), (10854, 1943082), (16281, 1295388), (21708, 971541), (32562, 647694), (35983, 586116), (48843, 431796), (65124, 323847), (71966, 293058), (97686, 215898), (107949, 195372), (143932, 146529)]