21419808

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 59875200

約数和(自身を除く): 38455392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 89, 92, 96, 109, 138, 178, 184, 218, 267, 276, 327, 356, 368, 436, 534, 552, 654, 712, 736, 872, 1068, 1104, 1308, 1424, 1744, 2047, 2136, 2208, 2507, 2616, 2848, 3488, 4094, 4272, 5014, 5232, 6141, 7521, 8188, 8544, 9701, 10028, 10464, 12282, 15042, 16376, 19402, 20056, 24564, 29103, 30084, 32752, 38804, 40112, 49128, 58206, 60168, 65504, 77608, 80224, 98256, 116412, 120336, 155216, 196512, 223123, 232824, 240672, 310432, 446246, 465648, 669369, 892492, 931296, 1338738, 1784984, 2677476, 3569968, 5354952, 7139936, 10709904, 21419808]

約数ペア:

[(1, 21419808), (2, 10709904), (3, 7139936), (4, 5354952), (6, 3569968), (8, 2677476), (12, 1784984), (16, 1338738), (23, 931296), (24, 892492), (32, 669369), (46, 465648), (48, 446246), (69, 310432), (89, 240672), (92, 232824), (96, 223123), (109, 196512), (138, 155216), (178, 120336), (184, 116412), (218, 98256), (267, 80224), (276, 77608), (327, 65504), (356, 60168), (368, 58206), (436, 49128), (534, 40112), (552, 38804), (654, 32752), (712, 30084), (736, 29103), (872, 24564), (1068, 20056), (1104, 19402), (1308, 16376), (1424, 15042), (1744, 12282), (2047, 10464), (2136, 10028), (2208, 9701), (2507, 8544), (2616, 8188), (2848, 7521), (3488, 6141), (4094, 5232), (4272, 5014)]